annotate NEWS @ 16941:e6ddaa65a777

Add new function jit_startcnt to control JIT acceleration. * NEWS: Announce new function. * doc/interpreter/vectorize.txi: Add verbiage to manual about function. * libinterp/corefcn/pt-jit.cc(Fjit_startcnt): New function which manages static variable Vjit_startcnt. Variable is threshold above which JIT acceleration takes place. * libinterp/corefcn/pt-jit.cc(Fjit_enable, Fdebug_jit): Update seealso links in docstring.
author Rik <rik@octave.org>
date Tue, 09 Jul 2013 17:37:26 -0700
parents 06897f865f0b
children 45afabc5f7c8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 Summary of important user-visible changes for version 4.0:
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2 ---------------------------------------------------------
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3
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4 ** A new GUI is now available with Octave.
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5
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6 ** Warning states may now be set temporarily, until the end of the
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7 current function, using the syntax
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8
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9 warning STATE ID "local"
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10
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11 in which STATE may be "on", "off", or "error". Changes to warning
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12 states that are set locally affect the current function and all
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13 functions called from the current scope. The previous warning state
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14 is restored on return from the current function. The "local"
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15 option is ignored if used in the top-level workspace.
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16
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17 Summary of important user-visible changes for version 3.8:
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18 ---------------------------------------------------------
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19
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20 ** Octave now supports nested functions with scoping rules that are
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21 compatible with Matlab. A nested function is one declared and defined
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22 within the body of another function. The nested function is only
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23 accessible from within the enclosing function which makes it one
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24 method for making private functions whose names do not conflict with those
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25 in the global namespace (See also subfunctions and private functions).
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26 In addition, variables in the enclosing function are visible within the
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27 nested function. This makes it possible to have a pseudo-global variable
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28 which can be seen by a group of functions, but which is not visible in
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29 the global namespace.
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30
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31 Example:
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32 function outerfunc (...)
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33 ...
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34 function nested1 (...)
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35 ...
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36 function nested2 (...)
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37 ...
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38 endfunction
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39 endfunction
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40
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41 function nested3 (...)
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42 ...
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43 endfunction
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44 endfunction
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45
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46 ** 'emptymatch', 'noemptymatch' options added to regular expressions.
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47
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48 With this addition Octave now accepts the entire set of Matlab options
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49 for regular expressions. 'noemptymatch' is the default, but 'emptymatch'
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50 has certain uses where you need to match an assertion rather than actual
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51 characters. For example,
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52
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53 regexprep ('World', '^', 'Hello ', 'emptymatch')
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54 => Hello World
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55
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56 where the pattern is actually the assertion '^' or start-of-line.
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57
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58 ** For compatibility with Matlab, the regexp, regexpi, and regexprep
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59 functions now process backslash escape sequences in single-quoted pattern
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60 strings. In addition, the regexprep function now processes backslash
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61 escapes in single-quoted replacement strings. For example,
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62
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63 regexprep (str, '\t', '\n')
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64
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65 would search the variable str for a TAB character (escape sequence \t)
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66 and replace it with a NEWLINE (escape sequence \n). Previously the
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67 expression would have searched for a literal '\' followed by 't' and
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68 replaced the two characters with the sequence '\', 'n'.
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69
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70 ** Redundant terminal comma accepted by parser
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71
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72 A redundant terminal comma is now accepted in matrix
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73 definitions which allows writing code such as
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74
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75 [a,...
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76 b,...
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77 c,...
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78 ] = deal (1,2,3)
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80 ** Line continuations inside character strings have changed.
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81
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82 The sequence '...' is no longer recognized as a line continuations
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83 are inside character strings. A backslash followed by a newline
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84 character is no longer recognized as a line continuation inside
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85 single-quoted character strings. Inside double-quoted character
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86 strings, a backslash followed by a newline character is still
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87 recognized as a line continuation but the backslash character must
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88 be followed immediately by the newline character. No whitespace or
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89 end-of-linecomment may appear between them.
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91 ** Warning IDs renamed:
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93 Octave:array-as-scalar => Octave:array-to-scalar
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94 Octave:array-as-vector => Octave:array-to-vector
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96 ** The m-files in the image directory have been overhauled.
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98 The principal benefit is that Octave will now no longer automatically
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99 convert images stored with integers to doubles. Storing images as uint8
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100 or uint16 requires only 1/8 or 1/4 the memory of an image stored using
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101 doubles. For certain operations, such as fft2, the image must still be
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102 converted to double in order to work.
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103
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104 Other changes include fixes to the way indexed images are read from a
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105 colormap depending on the image class (integer images have a -1 offset to
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106 the colormap row number).
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107
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108 ** The colormap function now provides new options--"list", "register",
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109 and "unregister"--to list all available colormap functions, and to
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110 add or remove a function name from the list of known colormap
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111 functions. Packages that implement extra colormaps should use these
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112 commands with PKG_ADD and PKG_DEL statements.
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113
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114 ** strsplit has been modified to be compatible with Matlab. There
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115 are two instances where backward compatibility is broken.
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116
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117 (1) Delimiters are now string vectors, not scalars.
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118
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119 Octave's legacy behavior
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120
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121 strsplit ("1 2, 3", ", ")
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122 ans =
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123 {
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124 [1,1] = 1
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125 [1,2] = 2
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126 [1,3] =
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127 [1,4] = 3
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128 }
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129
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130 Matlab compatible behavior
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131
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132 strsplit ("1 2, 3", ", ")
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133 ans =
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134 {
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135 [1,1] = 1 2
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136 [1,2] = 3
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137 }
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138
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139 (2) By default, Matlab treats consecutive delimiters are as a single
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140 delimiter. By default, Octave's legacy behavior was to return an
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141 empty string for the part between the delmiters.
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142
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143 Where the legacy behavior is desired, the call to strsplit() may be
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144 replaced by ostrsplit(), which is Octave's original implementation of
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145 strsplit().
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146
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147 ** The datevec function has been extended for better Matlab compatibility.
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148 It now accepts string inputs in the following numerical formats: 12, 21,
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149 22, 26, 29, 31. This is undocumented, but verifiable, Matlab behavior.
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150 In addition, the default for formats which do not specify a date is
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151 January 1st of the current year. The previous default was the current day,
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152 month, and year. This may produce changes in existing scripts.
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153
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154 ** The error function and its derivatives has been extended to accept complex
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155 arguments. The following functions now accept complex inputs:
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156
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157 erf erfc erfcx
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158
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159 In addition two new error functions erfi (imaginary error function) and
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160 dawson (scaled imaginary error function) have been added.
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161
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162 ** The default name of the Octave crash dump file is now called
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163 octave-workspace instead of octave-core.
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164
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165 ** A citation command has been added to display information on how to
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166 cite Octave and packages in publications. The package system will
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167 look for and install CITATION files from packages.
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168
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169 ** The java package from Octave Forge is now part of core Octave. The
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170 following new functions are available for interacting with Java
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171 directly from Octave:
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172
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173 debug_java java_matrix_autoconversion
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174 isjava java_unsigned_autoconversion
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175 java2mat javaaddpath
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176 javaArray javaclasspath
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177 javaMethod javamem
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178 javaObject javarmpath
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179 usejava
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180
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181 In addition, the following functions that use the Java interface
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182 are now available (provided that Octave is compiled with support for
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183 Java enabled):
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184
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185 helpdlg listdlg questdlg
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186 inputdlg msgbox warndlg
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187
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188 ** Other new functions added in 3.8.0:
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189
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190 atan2d erfcinv lines
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191 base64_decode erfi polyeig
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192 base64_encode expint readline_re_read_init_file
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193 betaincinv findfigs readline_read_init_file
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194 built_in_docstrings_file flintmax rgbplot
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195 cmpermute fminsearch save_default_options
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196 cmunique gallery shrinkfaces
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197 colorcube gco splinefit
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198 copyobj hdl2struct stemleaf
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199 dawson history_save strjoin
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200 dblist imformats struct2hdl
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201 debug_jit importdata tetramesh
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202 doc_cache_create iscolormap waterfall
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203 ellipj jit_enable
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204 ellipke jit_startcnt
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205
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206 ** Deprecated functions.
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207
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208 The following functions were deprecated in Octave 3.4 and have been
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209 removed from Octave 3.8.
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210
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211 autocor dispatch is_global setstr
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212 autocov fstat krylovb strerror
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213 betai gammai perror values
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214 cellidx glpkmex replot
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215 cquad is_duplicate_entry saveimage
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216
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217 The following functions have been deprecated in Octave 3.8 and will
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218 be removed from Octave 3.12 (or whatever version is the second major
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219 release after 3.8):
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220
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221 default_save_options java_set
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222 gen_doc_cache java_unsigned_conversion
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223 isequalwithequalnans javafields
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224 java_convert_matrix javamethods
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225 java_debug re_read_readline_init_file
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226 java_get read_readline_init_file
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227 java_invoke saving_history
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228 java_new
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229
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230 The following keywords have been deprecated in Octave 3.8 and will
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231 be removed from Octave 3.12 (or whatever version is the second major
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232 release after 3.8):
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233
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234 static
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235
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236 The following configuration variables have been deprecated in Octave
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237 3.8 and will be removed from Octave 3.12 (or whatever version is the
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238 second major release after 3.8):
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239
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diff changeset
240 CC_VERSION (now GCC_VERSION)
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241 CXX_VERSION (now GXX_VERSION)
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242
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243 Summary of important user-visible changes for version 3.6:
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244 ---------------------------------------------------------
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245
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246 ** The PCRE library is now required to build Octave. If a pre-compiled
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247 package does not exist for your system, you can find PCRE sources
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248 at http://www.pcre.org
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249
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250 ** The ARPACK library is no longer distributed with Octave.
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251 If you need the eigs or svds functions you must provide an
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252 external ARPACK through a package manager or by compiling it
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253 yourself. If a pre-compiled package does not exist for your system,
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254 you can find the current ARPACK sources at
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255 http://forge.scilab.org/index.php/p/arpack-ng
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256
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257 ** Many of Octave's binary operators (.*, .^, +, -, ...) now perform
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258 automatic broadcasting for array operations which allows you to use
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259 operator notation instead of calling bsxfun or expanding arrays (and
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260 unnecessarily wasting memory) with repmat or similar idioms. For
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261 example, to scale the columns of a matrix by the elements of a row
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262 vector, you may now write
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263
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264 rv .* M
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265
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266 In this expression, the number of elements of rv must match the
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267 number of columns of M. The following operators are affected:
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268
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269 plus + .+
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270 minus - .-
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271 times .*
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272 rdivide ./
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273 ldivide .\
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274 power .^ .**
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275 lt <
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276 le <=
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277 eq ==
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278 gt >
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279 ge >=
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diff changeset
280 ne != ~=
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diff changeset
281 and &
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282 or |
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283 atan2
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284 hypot
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285 max
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286 min
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287 mod
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288 rem
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289 xor
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290
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291 additionally, since the A op= B assignment operators are equivalent
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292 to A = A op B, the following operators are also affected:
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293
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294 += -= .+= .-= .*= ./= .\= .^= .**= &= |=
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295
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296 See the "Broadcasting" section in the new "Vectorization and Faster
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297 Code Execution" chapter of the manual for more details.
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298
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299 ** Octave now features a profiler, thanks to the work of Daniel Kraft
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300 under the Google Summer of Code mentorship program. The manual has
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301 been updated to reflect this addition. The new user-visible
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302 functions are profile, profshow, and profexplore.
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303
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304 ** Overhaul of statistical distribution functions
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305
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306 Functions now return "single" outputs for inputs of class "single".
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307
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308 75% reduction in memory usage through use of logical indexing.
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309
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310 Random sample functions now use the same syntax as rand and accept
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311 a comma separated list of dimensions or a dimension vector.
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312
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313 Functions have been made Matlab-compatible with regard to special
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314 cases (probability on boundaries, probabilities for values outside
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315 distribution, etc.). This may cause subtle changes to existing
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316 scripts.
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317
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318 negative binomial function has been extended to real, non-integer
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319 inputs. The discrete_inv function now returns v(1) for 0 instead of
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320 NaN. The nbincdf function has been recoded to use a closed form
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321 solution with betainc.
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322
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323 ** strread, textscan, and textread have been completely revamped.
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324
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325 They now support nearly all Matlab functionality including:
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326
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327 * Matlab-compatible whitespace and delimiter defaults
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328
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329 * Matlab-compatible options: 'whitespace', treatasempty', format
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330 string repeat count, user-specified comment style, uneven-length
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331 output arrays, %n and %u conversion specifiers (provisionally)
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332
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333 ** All .m string functions have been modified for better performance or
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334 greater Matlab compatibility. Performance gains of 15X-30X have
14093
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335 been demonstrated. Operations on cell array of strings no longer pay
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336 quite as high a penalty as those on 2-D character arrays.
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337
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338 deblank: Now requires character or cellstr input.
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339
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340 strtrim: Now requires character or cellstr input.
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341 No longer trims nulls ("\0") from string for Matlab
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342 compatibility.
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343
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344 strmatch: Follows documentation precisely and ignores trailing spaces
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345 in pattern and in string. Note that this is documented
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346 Matlab behavior but the implementation apparently does
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347 not always follow it.
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348
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349 substr: Now possible to specify a negative LEN option which
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350 extracts to within LEN of the end of the string.
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351
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352 strtok: Now accepts cellstr input.
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353
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354 base2dec, bin2dec, hex2dec:
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355 Now accept cellstr inputs.
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356
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357 dec2base, dec2bin, dec2hex:
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358 Now accept cellstr inputs.
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359
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360 index, rindex:
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361 Now accept 2-D character array input.
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362
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363 strsplit: Now accepts 2-D character array input.
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364
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365 ** Geometry functions derived from Qhull (convhull, delaunay, voronoi)
14082
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366 have been revamped. The options passed to the underlying qhull
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367 command have been changed for better results or for Matlab
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368 compatibility.
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369
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370 convhull: Default options are "Qt" for 2D, 3D, 4D inputs
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371 Default options are "Qt Qx" for 5D and higher
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372
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373 delaunay: Default options are "Qt Qbb Qc Qz" for 2D and 3D inputs
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374 Default options are "Qt Qbb Qc Qx" for 4D and higher
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375
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376 voronoi: No default arguments
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377
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378 ** Date/Time functions updated. Millisecond support with FFF format
97f41a44dd80 update NEWS file
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379 string now supported.
13746
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Rik <octave@nomad.inbox5.com>
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diff changeset
380
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381 datestr: Numerical formats 21, 22, 29 changed to match Matlab.
14408
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Rik <octave@nomad.inbox5.com>
parents: 14407
diff changeset
382 Now accepts cellstr input.
13848
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586)
Rik <octave@nomad.inbox5.com>
parents: 13841
diff changeset
383
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diff changeset
384 ** The following warning IDs have been removed:
13848
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parents: 13841
diff changeset
385
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386 Octave:associativity-change
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diff changeset
387 Octave:complex-cmp-ops
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diff changeset
388 Octave:empty-list-elements
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diff changeset
389 Octave:fortran-indexing
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John W. Eaton <jwe@octave.org>
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diff changeset
390 Octave:precedence-change
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diff changeset
391
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diff changeset
392 ** The warning ID Octave:string-concat has been renamed to
97f41a44dd80 update NEWS file
John W. Eaton <jwe@octave.org>
parents: 14018
diff changeset
393 Octave:mixed-string-concat.
13841
0a158dbdb04a Remove 3 unused warning ids
Rik <octave@nomad.inbox5.com>
parents: 13826
diff changeset
394
14082
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diff changeset
395 ** Octave now includes the following Matlab-compatible preference
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diff changeset
396 functions:
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diff changeset
397
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diff changeset
398 addpref getpref ispref rmpref setpref
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diff changeset
399
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diff changeset
400 ** The following Matlab-compatible handle graphics functions have been
97f41a44dd80 update NEWS file
John W. Eaton <jwe@octave.org>
parents: 14018
diff changeset
401 added:
13926
1f6d17b383f8 Add notes about new handle graphics functions.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 13923
diff changeset
402
14082
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diff changeset
403 guidata uipanel uitoolbar
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diff changeset
404 guihandles uipushtool uiwait
97f41a44dd80 update NEWS file
John W. Eaton <jwe@octave.org>
parents: 14018
diff changeset
405 uicontextmenu uiresume waitfor
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John W. Eaton <jwe@octave.org>
parents: 14018
diff changeset
406 uicontrol uitoggletool
13926
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Michael Goffioul <michael.goffioul@gmail.com>
parents: 13923
diff changeset
407
13933
c3c8f513cf1f NEWS: Clarify that uiXXX functions are experimental/preliminary.
Rik <octave@nomad.inbox5.com>
parents: 13926
diff changeset
408 The uiXXX functions above are experimental.
c3c8f513cf1f NEWS: Clarify that uiXXX functions are experimental/preliminary.
Rik <octave@nomad.inbox5.com>
parents: 13926
diff changeset
409
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diff changeset
410 Except for uiwait and uiresume, the uiXXX functions are not
14408
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Rik <octave@nomad.inbox5.com>
parents: 14407
diff changeset
411 supported with the FLTK+OpenGL graphics toolkit.
13926
1f6d17b383f8 Add notes about new handle graphics functions.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 13923
diff changeset
412
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diff changeset
413 The gnuplot graphics toolkit does not support any of the uiXXX
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John W. Eaton <jwe@octave.org>
parents: 14018
diff changeset
414 functions nor the waitfor function.
13926
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Michael Goffioul <michael.goffioul@gmail.com>
parents: 13923
diff changeset
415
14082
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diff changeset
416 ** New keyword parfor (parallel for loop) is now recognized as a valid
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John W. Eaton <jwe@octave.org>
parents: 14018
diff changeset
417 keyword. Implementation, however, is still mapped to an ordinary
97f41a44dd80 update NEWS file
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parents: 14018
diff changeset
418 for loop.
13919
8cb79741769d doc: Update NEWS file with more 3.6.0 features
Rik <octave@nomad.inbox5.com>
parents: 13848
diff changeset
419
13792
2eea4a2e6463 NEWS: Update file with more description of changes made to string functions in 3.6.0
Rik <octave@nomad.inbox5.com>
parents: 13749
diff changeset
420 ** Other new functions added in 3.6.0:
12586
f9b7aa3b88f8 Deprecate studentize(), replace with zscore().
Rik <octave@nomad.inbox5.com>
parents: 12574
diff changeset
421
14178
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Rik <octave@nomad.inbox5.com>
parents: 14176
diff changeset
422 bicg nthargout usejava
3f2a3076b9a6 NEWS: Update list of functions added for 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 14176
diff changeset
423 is_dq_string narginchk waitbar
3f2a3076b9a6 NEWS: Update list of functions added for 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 14176
diff changeset
424 is_sq_string python zscore
3f2a3076b9a6 NEWS: Update list of functions added for 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 14176
diff changeset
425 is_function_handle register_graphics_toolkit
3f2a3076b9a6 NEWS: Update list of functions added for 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 14176
diff changeset
426 loaded_graphics_toolkits recycle
3f2a3076b9a6 NEWS: Update list of functions added for 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 14176
diff changeset
427
12413
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
428 ** Deprecated functions.
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
429
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
430 The following functions were deprecated in Octave 3.2 and have been
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
431 removed from Octave 3.6.
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
432
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
433 create_set spcholinv splu
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
434 dmult spcumprod spmax
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
435 iscommand spcumsum spmin
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
436 israwcommand spdet spprod
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
437 lchol spdiag spqr
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
438 loadimage spfind spsum
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
439 mark_as_command sphcat spsumsq
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
440 mark_as_rawcommand spinv spvcat
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
441 spatan2 spkron str2mat
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
442 spchol splchol unmark_command
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
443 spchol2inv split unmark_rawcommand
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
444
12498
294c0927c762 Deprecate is_duplicate_entry.
Rik <octave@nomad.inbox5.com>
parents: 12488
diff changeset
445 The following functions have been deprecated in Octave 3.6 and will
294c0927c762 Deprecate is_duplicate_entry.
Rik <octave@nomad.inbox5.com>
parents: 12488
diff changeset
446 be removed from Octave 3.10 (or whatever version is the second major
294c0927c762 Deprecate is_duplicate_entry.
Rik <octave@nomad.inbox5.com>
parents: 12488
diff changeset
447 release after 3.6):
294c0927c762 Deprecate is_duplicate_entry.
Rik <octave@nomad.inbox5.com>
parents: 12488
diff changeset
448
12856
cad4cba03f19 Deprecate corrcoef, cor and replace with Matlab equivalent corr
Rik <octave@nomad.inbox5.com>
parents: 12803
diff changeset
449 cut is_duplicate_entry
cad4cba03f19 Deprecate corrcoef, cor and replace with Matlab equivalent corr
Rik <octave@nomad.inbox5.com>
parents: 12803
diff changeset
450 cor polyderiv
14018
5d5685216876 Deprecate shell_cmd function and update system, dos, unix commands
Rik <octave@nomad.inbox5.com>
parents: 13933
diff changeset
451 corrcoef shell_cmd
5d5685216876 Deprecate shell_cmd function and update system, dos, unix commands
Rik <octave@nomad.inbox5.com>
parents: 13933
diff changeset
452 __error_text__ studentize
5d5685216876 Deprecate shell_cmd function and update system, dos, unix commands
Rik <octave@nomad.inbox5.com>
parents: 13933
diff changeset
453 error_text sylvester_matrix
12586
f9b7aa3b88f8 Deprecate studentize(), replace with zscore().
Rik <octave@nomad.inbox5.com>
parents: 12574
diff changeset
454
14441
d27e638b1c3a NEWS: mention randperm changes
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 14408
diff changeset
455 ** The following functions have been modified for Matlab compatibility:
d27e638b1c3a NEWS: mention randperm changes
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 14408
diff changeset
456
d27e638b1c3a NEWS: mention randperm changes
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 14408
diff changeset
457 randperm
d27e638b1c3a NEWS: mention randperm changes
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 14408
diff changeset
458
13251
fd9187676535 3.4.3 release candidate 0
John W. Eaton <jwe@octave.org>
parents: 12766
diff changeset
459 Summary of important user-visible changes for version 3.4.3:
fd9187676535 3.4.3 release candidate 0
John W. Eaton <jwe@octave.org>
parents: 12766
diff changeset
460 -----------------------------------------------------------
fd9187676535 3.4.3 release candidate 0
John W. Eaton <jwe@octave.org>
parents: 12766
diff changeset
461
13254
46f5e41c8610 Fix version numbers in NEWS
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 13251
diff changeset
462 ** Octave 3.4.3 is a bug fixing release.
13268
571557ddabb9 maint: periodic merge of stable to default.
Rik <octave@nomad.inbox5.com>
parents: 13262 13254
diff changeset
463
12766
1887d8400ba3 First release candidate for 3.4.2
John W. Eaton <jwe@octave.org>
parents: 12746
diff changeset
464 Summary of important user-visible changes for version 3.4.2:
1887d8400ba3 First release candidate for 3.4.2
John W. Eaton <jwe@octave.org>
parents: 12746
diff changeset
465 -----------------------------------------------------------
1887d8400ba3 First release candidate for 3.4.2
John W. Eaton <jwe@octave.org>
parents: 12746
diff changeset
466
13254
46f5e41c8610 Fix version numbers in NEWS
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 13251
diff changeset
467 ** Octave 3.4.2 fixes some minor installation problems that affected
12766
1887d8400ba3 First release candidate for 3.4.2
John W. Eaton <jwe@octave.org>
parents: 12746
diff changeset
468 version 3.4.1.
1887d8400ba3 First release candidate for 3.4.2
John W. Eaton <jwe@octave.org>
parents: 12746
diff changeset
469
12709
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
470 Summary of important user-visible changes for version 3.4.1:
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
471 -----------------------------------------------------------
12413
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
472
12709
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
473 ** Octave 3.4.1 is primarily a bug fixing release.
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
474
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
475 ** IMPORTANT note about binary incompatibility in this release:
12488
bea828c03969 Add new isrow, iscolumn functions.
Rik <octave@nomad.inbox5.com>
parents: 12464
diff changeset
476
12746
07188dbaf89a maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents: 12739
diff changeset
477 Binary compatibility for all 3.4.x releases was originally planned,
07188dbaf89a maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents: 12739
diff changeset
478 but this is impossible for the 3.4.1 release due to a bug in the way
07188dbaf89a maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents: 12739
diff changeset
479 shared libraries were built in Octave 3.4.0. Because of this bug,
07188dbaf89a maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents: 12739
diff changeset
480 .oct files built for Octave 3.4.0 must be recompiled before they
07188dbaf89a maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents: 12739
diff changeset
481 will work with Octave 3.4.1.
12498
294c0927c762 Deprecate is_duplicate_entry.
Rik <octave@nomad.inbox5.com>
parents: 12488
diff changeset
482
12709
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
483 Given that there would be binary incompatibilities with shared
12746
07188dbaf89a maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents: 12739
diff changeset
484 libraries going from Octave 3.4.0 to 3.4.1, the following
07188dbaf89a maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents: 12739
diff changeset
485 incompatible changes were also made in this release:
12709
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
486
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
487 * The Perl Compatible Regular Expression (PCRE) library is now
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
488 required to build Octave.
12413
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
489
12712
89638f2b844a maint: update NEWS
John W. Eaton <jwe@octave.org>
parents: 12709
diff changeset
490 * Octave's libraries and .oct files are now installed in
89638f2b844a maint: update NEWS
John W. Eaton <jwe@octave.org>
parents: 12709
diff changeset
491 subdirectories of $libdir instead of $libexecdir.
89638f2b844a maint: update NEWS
John W. Eaton <jwe@octave.org>
parents: 12709
diff changeset
492
12709
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
493 Any future Octave 3.4.x release versions should remain binary
12746
07188dbaf89a maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents: 12739
diff changeset
494 compatible with Octave 3.4.1 as proper library versioning is now
07188dbaf89a maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents: 12739
diff changeset
495 being used as recommended by the libtool manual.
12709
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
496
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
497 ** The following functions have been deprecated in Octave 3.4.1 and will
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
498 be removed from Octave 3.8 (or whatever version is the second major
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
499 release after 3.4):
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
500
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
501 cquad is_duplicate_entry perror strerror
12413
b7d0d6044bd7 remove functions deprecated in 3.2
John W. Eaton <jwe@octave.org>
parents: 12400
diff changeset
502
12709
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
503 ** The following functions are new in 3.4.1:
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
504
12723
6ed1e0be181e doc: Update NEWS with new functions for release 3.4.1
Rik <octave@nomad.inbox5.com>
parents: 12713
diff changeset
505 colstyle gmres iscolumn isrow mgorth nproc rectangle
12709
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
506
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
507 ** The get_forge_pkg function is now private.
12498
294c0927c762 Deprecate is_duplicate_entry.
Rik <octave@nomad.inbox5.com>
parents: 12488
diff changeset
508
12709
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
509 ** The rectangle_lw, rectangle_sw, triangle_lw, and triangle_sw
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
510 functions are now private.
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
511
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
512 ** The logistic_regression_derivatives and logistic_regression_likelihood
96180026afc5 maint: update NEWS.
John W. Eaton <jwe@octave.org>
parents: 12702
diff changeset
513 functions are now private.
12498
294c0927c762 Deprecate is_duplicate_entry.
Rik <octave@nomad.inbox5.com>
parents: 12488
diff changeset
514
12739
8d2d7f9a17be maint: update NEWS
John W. Eaton <jwe@octave.org>
parents: 12723
diff changeset
515 ** ChangeLog files in the Octave sources are no longer maintained
8d2d7f9a17be maint: update NEWS
John W. Eaton <jwe@octave.org>
parents: 12723
diff changeset
516 by hand. Instead, there is a single ChangeLog file generated from
8d2d7f9a17be maint: update NEWS
John W. Eaton <jwe@octave.org>
parents: 12723
diff changeset
517 the Mercurial version control commit messages. Older ChangeLog
8d2d7f9a17be maint: update NEWS
John W. Eaton <jwe@octave.org>
parents: 12723
diff changeset
518 information can be found in the etc/OLD-ChangeLogs directory in the
8d2d7f9a17be maint: update NEWS
John W. Eaton <jwe@octave.org>
parents: 12723
diff changeset
519 source distribution.
8d2d7f9a17be maint: update NEWS
John W. Eaton <jwe@octave.org>
parents: 12723
diff changeset
520
11112
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
521 Summary of important user-visible changes for version 3.4:
9352
b59cc3252a51 NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9215
diff changeset
522 ---------------------------------------------------------
b59cc3252a51 NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9215
diff changeset
523
9799
cfd0aa788ae1 remove reference blas and lapack sources
John W. Eaton <jwe@octave.org>
parents: 9745
diff changeset
524 ** BLAS and LAPACK libraries are now required to build Octave. The
cfd0aa788ae1 remove reference blas and lapack sources
John W. Eaton <jwe@octave.org>
parents: 9745
diff changeset
525 subset of the reference BLAS and LAPACK libraries has been removed
cfd0aa788ae1 remove reference blas and lapack sources
John W. Eaton <jwe@octave.org>
parents: 9745
diff changeset
526 from the Octave sources.
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
527
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
528 ** The ARPACK library is now distributed with Octave so it no longer
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
529 needs to be available as an external dependency when building
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
530 Octave.
9799
cfd0aa788ae1 remove reference blas and lapack sources
John W. Eaton <jwe@octave.org>
parents: 9745
diff changeset
531
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
532 ** The `lookup' function was extended to be more useful for
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
533 general-purpose binary searching. Using this improvement, the
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
534 ismember function was rewritten for significantly better
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
535 performance.
9352
b59cc3252a51 NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9215
diff changeset
536
b59cc3252a51 NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9215
diff changeset
537 ** Real, integer and logical matrices, when used in indexing, will now
b59cc3252a51 NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9215
diff changeset
538 cache the internal index_vector value (zero-based indices) when
b59cc3252a51 NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9215
diff changeset
539 successfully used as indices, eliminating the conversion penalty for
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
540 subsequent indexing by the same matrix. In particular, this means it
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
541 is no longer needed to avoid repeated indexing by logical arrays
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
542 using find for performance reasons.
9888
cee6c63cff32 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9880
diff changeset
543
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
544 ** Logical matrices are now treated more efficiently when used as
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
545 indices. Octave will keep the index as a logical mask unless the
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
546 ratio of true elements is small enough, using a specialized
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
547 code. Previously, all logical matrices were always first converted
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
548 to index vectors. This results in savings in both memory and
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
549 computing time.
9480
bca39c365fda update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9462
diff changeset
550
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
551 ** The `sub2ind' and `ind2sub' functions were reimplemented as compiled
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
552 functions for better performance. These functions are now faster,
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
553 can deliver more economized results for ranges, and can reuse the
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
554 index cache mechanism described in previous paragraph.
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
555
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
556 ** The built-in function equivalents to associative operators (`plus',
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
557 `times', `mtimes', `and', and `or') have been extended to accept
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
558 multiple arguments. This is especially useful for summing
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
559 (multiplying, etc.) lists of objects (of possibly distinct types):
9408
6729708602ca NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9407
diff changeset
560
9449
a35d8ec8a0c4 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9408
diff changeset
561 matrix_sum = plus (matrix_list{:});
a35d8ec8a0c4 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9408
diff changeset
562
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
563 ** An FTP object type based on libcurl has been implemented. These
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
564 objects allow ftp connections, downloads and uploads to be
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
565 managed. For example,
9880
7f77e5081e83 Add ftp objects
David Bateman <dbateman@free.fr>
parents: 9873
diff changeset
566
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
567 fp = ftp ("ftp.octave.org);
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
568 cd (fp, "gnu/octave");
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
569 mget (fp, "octave-3.2.3.tar.bz2");
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
570 close (fp);
9880
7f77e5081e83 Add ftp objects
David Bateman <dbateman@free.fr>
parents: 9873
diff changeset
571
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
572 ** The default behavior of `assert (observed, expected)' has been
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
573 relaxed to employ less strict checking that does not require the
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
574 internals of the values to match. This avoids previously valid
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
575 tests from breaking due to new internal classes introduced in future
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
576 Octave versions.
9449
a35d8ec8a0c4 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9408
diff changeset
577
a35d8ec8a0c4 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9408
diff changeset
578 For instance, all of these assertions were true in Octave 3.0.x
a35d8ec8a0c4 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9408
diff changeset
579 but false in 3.2.x due to new optimizations and improvements:
a35d8ec8a0c4 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9408
diff changeset
580
a35d8ec8a0c4 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9408
diff changeset
581 assert (2*linspace (1, 5, 5), 2*(1:5))
a35d8ec8a0c4 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9408
diff changeset
582 assert (zeros (0, 0), [])
a35d8ec8a0c4 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9408
diff changeset
583 assert (2*ones (1, 5), (2) (ones (1,5)))
9462
44e2e568f973 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9449
diff changeset
584
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
585 ** The behavior of library functions `ismatrix', `issquare', and
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
586 `issymmetric' has been changed for better consistency.
9873
b7acf3cb5984 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9830
diff changeset
587
10292
c1246f17119e update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10276
diff changeset
588 * The `ismatrix' function now returns true for all numeric,
11562
1811f4f8b3b5 Rename cquad to quadcc and add to documentation.
Rik <octave@nomad.inbox5.com>
parents: 11540
diff changeset
589 logical and character 2-D or N-D matrices. Previously, `ismatrix'
10292
c1246f17119e update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10276
diff changeset
590 returned false if the first or second dimension was zero.
c1246f17119e update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10276
diff changeset
591 Hence, `ismatrix ([])' was false,
c1246f17119e update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10276
diff changeset
592 while `ismatrix (zeros (1,2,0))' was true.
9873
b7acf3cb5984 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9830
diff changeset
593
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
594 * The `issquare' function now returns a logical scalar, and is
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
595 equivalent to the expression
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
596
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
597 ismatrix (x) && ndims (x) == 2 && rows (x) == columns (x)
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
598
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
599 The dimension is no longer returned. As a result, `issquare ([])'
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
600 now yields true.
9873
b7acf3cb5984 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9830
diff changeset
601
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
602 * The `issymmetric' function now checks for symmetry instead of
11562
1811f4f8b3b5 Rename cquad to quadcc and add to documentation.
Rik <octave@nomad.inbox5.com>
parents: 11540
diff changeset
603 Hermitianness. For the latter, ishermitian was created. Also,
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
604 logical scalar is returned rather than the dimension, so
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
605 `issymmetric ([])' is now true.
9873
b7acf3cb5984 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9830
diff changeset
606
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
607 ** Function handles are now aware of overloaded functions. If a
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
608 function is overloaded, the handle determines at the time of its
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
609 reference which function to call. A non-overloaded version does not
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
610 need to exist.
9873
b7acf3cb5984 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9830
diff changeset
611
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
612 ** Overloading functions for built-in classes (double, int8, cell,
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
613 etc.) is now compatible with Matlab.
9408
6729708602ca NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9407
diff changeset
614
10323
ee93dbfba45b update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10292
diff changeset
615 ** Function handles can now be compared with the == and != operators,
ee93dbfba45b update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10292
diff changeset
616 as well as the `isequal' function.
ee93dbfba45b update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10292
diff changeset
617
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
618 ** Performance of concatenation (using []) and the functions `cat',
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
619 `horzcat', and `vertcat' has been improved for multidimensional
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
620 arrays.
10117
b9ea485bdfdb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10109
diff changeset
621
9547
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
622 ** The operation-assignment operators +=, -=, *= and /= now behave more
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
623 efficiently in certain cases. For instance, if M is a matrix and S a
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
624 scalar, then the statement
9547
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
625
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
626 M += S;
9547
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
627
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
628 will operate on M's data in-place if it is not shared by another
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
629 variable, usually increasing both time and memory efficiency.
9547
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
630
9558
8b3cee6166b8 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9552
diff changeset
631 Only selected common combinations are affected, namely:
9547
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
632
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
633 matrix += matrix
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
634 matrix -= matrix
9558
8b3cee6166b8 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9552
diff changeset
635 matrix .*= matrix
8b3cee6166b8 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9552
diff changeset
636 matrix ./= matrix
8b3cee6166b8 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9552
diff changeset
637
9547
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
638 matrix += scalar
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
639 matrix -= scalar
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
640 matrix *= scalar
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
641 matrix /= scalar
9558
8b3cee6166b8 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9552
diff changeset
642
9552
ded32956d660 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9547
diff changeset
643 logical matrix |= logical matrix
ded32956d660 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9547
diff changeset
644 logical matrix &= logical matrix
9547
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
645
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
646 where matrix and scalar belong to the same class. The left-hand
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
647 side must be a simple variable reference.
9888
cee6c63cff32 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9880
diff changeset
648
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
649 Moreover, when unary operators occur in expressions, Octave will
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
650 also try to do the operation in-place if it's argument is a
12702
013cd94d8d7f doc: Spelling fixes for various documentation files
John Bradshaw <john@johnbradshaw.org>
parents: 12698
diff changeset
651 temporary expression.
9589
8e42bb4ad34d update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9558
diff changeset
652
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
653 ** The effect of comparison operators (<, >, <=, and >=) applied to
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
654 complex numbers has changed to be consistent with the strict
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
655 ordering defined by the `max', `min', and `sort' functions. More
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
656 specifically, complex numbers are compared by lexicographical
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
657 comparison of the pairs `[abs(z), arg(z)]'. Previously, only real
14188
053404893d02 update NEWS
John W. Eaton <jwe@octave.org>
parents: 14178
diff changeset
658 parts were compared; this can be trivially achieved by converting
053404893d02 update NEWS
John W. Eaton <jwe@octave.org>
parents: 14178
diff changeset
659 the operands to real values with the `real' function.
9547
588c6bb6fdcb update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9480
diff changeset
660
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
661 ** The automatic simplification of complex computation results has
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
662 changed. Octave will now simplify any complex number with a zero
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
663 imaginary part or any complex matrix with all elements having zero
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
664 imaginary part to a real value. Previously, this was done only for
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
665 positive zeros. Note that the behavior of the complex function is
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
666 unchanged and it still produces a complex value even if the
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
667 imaginary part is zero.
9826
b2a282c37217 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9799
diff changeset
668
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
669 ** As a side effect of code refactoring in liboctave, the binary
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
670 logical operations are now more easily amenable to compiler
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
671 optimizations and are thus significantly faster.
9595
dbd0c0f82480 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9589
diff changeset
672
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
673 ** Octave now allows user-defined `subsasgn' methods to optimize out
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
674 redundant copies. For more information, see the manual.
9595
dbd0c0f82480 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9589
diff changeset
675
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
676 ** More efficient matrix division handling. Octave is now able to
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
677 handle the expressions
9664
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
678
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
679 M' \ V
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
680 M.' \ V
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
681 V / M
9664
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
682
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
683 (M is a matrix and V is a vector) more efficiently in certain cases.
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
684 In particular, if M is triangular, all three expressions will be
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
685 handled by a single call to xTRTRS (from LAPACK), with appropriate
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
686 flags. Previously, all three expressions required a physical
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
687 transpose of M.
9664
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
688
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
689 ** More efficient handling of certain mixed real-complex matrix
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
690 operations. For instance, if RM is a real matrix and CM a complex
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
691 matrix,
9664
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
692
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
693 RM * CM
9664
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
694
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
695 can now be evaluated either as
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
696
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
697 complex (RM * real (CM), RM * imag (CM))
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
698
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
699 or as
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
700
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
701 complex (RM) * CM,
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
702
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
703 depending on the dimensions. The first form requires more
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
704 temporaries and copying, but halves the FLOP count, which normally
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
705 brings better performance if RM has enough rows. Previously, the
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
706 second form was always used.
9664
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
707
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
708 Matrix division is similarly affected.
9664
2c5169034035 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9609
diff changeset
709
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
710 ** More efficient handling of triangular matrix factors returned from
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
711 factorizations. The functions for computing QR, LU and Cholesky
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
712 factorizations will now automatically return the triangular matrix
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
713 factors with proper internal matrix_type set, so that it won't need
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
714 to be computed when the matrix is used for division.
9717
4fd71e875120 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9664
diff changeset
715
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
716 ** The built-in `sum' function now handles the non-native summation
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
717 (i.e., double precision sum of single or integer inputs) more
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
718 efficiently, avoiding a temporary conversion of the whole input
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
719 array to doubles. Further, `sum' can now accept an extra option
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
720 argument, using a compensated summation algorithm rather than a
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
721 straightforward sum, which significantly improves precision if lots
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
722 of cancellation occurs in the summation.
9717
4fd71e875120 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9664
diff changeset
723
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
724 ** The built-in `bsxfun' function now uses optimized code for certain
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
725 cases where built-in operator handles are passed in. Namely, the
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
726 optimizations concern the operators `plus', `minus', `times',
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
727 `ldivide', `rdivide', `power', `and', `or' (for logical arrays),
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
728 the relational operators `eq', `ne', `lt', `le', `gt', `ge', and the
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
729 functions `min' and `max'. Optimizations only apply when both
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
730 operands are of the same built-in class. Mixed real/complex and
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
731 single/double operations will first convert both operands to a
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
732 common type.
9745
30d62079c493 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9722
diff changeset
733
10118
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
734 ** The `strfind' and `strrep' functions now have compiled
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
735 implementations, facilitating significantly more efficient searching
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
736 and replacing in strings, especially with longer patterns. The code
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
737 of `strcat' has been vectorized and is now much more efficient when
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
738 many strings are concatenated. The `strcmpi' and `strncmpi'
4de5c28733d5 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 10117
diff changeset
739 functions are now built-in functions, providing better performance.
12713
8176c16628c8 doc: Add note about str2double API change to NEWS.
Rik <octave@nomad.inbox5.com>
parents: 12712
diff changeset
740
8176c16628c8 doc: Add note about str2double API change to NEWS.
Rik <octave@nomad.inbox5.com>
parents: 12712
diff changeset
741 ** 'str2double' now has a compiled implementation and the API conforms
8176c16628c8 doc: Add note about str2double API change to NEWS.
Rik <octave@nomad.inbox5.com>
parents: 12712
diff changeset
742 to Matlab. The additional Octave-specific features of returning a
8176c16628c8 doc: Add note about str2double API change to NEWS.
Rik <octave@nomad.inbox5.com>
parents: 12712
diff changeset
743 boolean matrix indicating which elements were successfully converted
8176c16628c8 doc: Add note about str2double API change to NEWS.
Rik <octave@nomad.inbox5.com>
parents: 12712
diff changeset
744 has been removed.
10208
c54ee101d13c update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10118
diff changeset
745
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
746 ** Matlab-style ignoring input and output function arguments using
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
747 tilde (~) is now supported. Ignored output arguments may be
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
748 detected from a function using the built-in function `isargout'.
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
749 For more details, consult the manual.
10886
9993f1354713 update news
Jaroslav Hajek <highegg@gmail.com>
parents: 10873
diff changeset
750
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
751 ** The list datatype, deprecated since the introduction of cells, has
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
752 been removed.
10276
ad6af249c20e update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10233
diff changeset
753
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
754 ** The accumarray function has been optimized and is now significantly
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
755 faster in certain important cases.
10054
8f7f325fa678 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 9888
diff changeset
756
10292
c1246f17119e update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10276
diff changeset
757 ** The behavior of isreal and isnumeric functions was changed to be more
c1246f17119e update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10276
diff changeset
758 Matlab-compatible.
c1246f17119e update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10276
diff changeset
759
10406
0c8d2278c57f update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10323
diff changeset
760 ** The integer math & conversion warnings (Octave:int-convert-nan,
0c8d2278c57f update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10323
diff changeset
761 Octave:int-convert-non-int-val, Octave:int-convert-overflow,
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
762 Octave:int-math-overflow) have been removed.
10406
0c8d2278c57f update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10323
diff changeset
763
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
764 ** rem and mod are now built-in functions. They also handle integer
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
765 types efficiently using integer arithmetic.
10437
0a210203481b update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10406
diff changeset
766
10536
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
767 ** Sparse indexing and indexed assignment has been mostly rewritten.
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
768 Since Octave uses compressed column storage for sparse matrices,
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
769 major attention is devoted to operations manipulating whole columns.
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
770 Such operations are now significantly faster, as well as some other
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
771 important cases.
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
772
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
773 Further, it is now possible to pre-allocate a sparse matrix and
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
774 subsequently fill it by assignments, provided they meet certain
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
775 conditions. For more information, consult the `spalloc' function,
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
776 which is no longer a mere dummy. Consequently, nzmax and nnz are no
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
777 longer always equal in Octave. Octave may also produce a matrix
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
778 with nnz < nzmax as a result of other operations, so you should
14093
050bc580cb60 doc: Various docstring improvements before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 14082
diff changeset
779 consistently use nnz unless you really want to use nzmax (i.e., the
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
780 space allocated for nonzero elements).
10536
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
781
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
782 Sparse concatenation is also affected, and concatenating sparse
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
783 matrices, especially larger collections, is now significantly more
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
784 efficient. This applies to both the [] operator and the
10536
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
785 cat/vertcat/horzcat functions.
74cb77f0a163 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10522
diff changeset
786
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
787 ** It is now possible to optionally employ the xGESDD LAPACK drivers
14188
053404893d02 update NEWS
John W. Eaton <jwe@octave.org>
parents: 14178
diff changeset
788 for computing the singular value decomposition using svd, instead
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
789 of the default xGESVD, using the configuration pseudo-variable
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
790 svd_driver. The xGESDD driver can be up to 6x times faster when
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
791 singular vectors are requested, but is reported to be somewhat less
10639
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
792 robust on highly ill-conditioned matrices.
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
793
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
794 ** Configuration pseudo-variables, such as page_screen_output or
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
795 confirm_recursive_rmdir (or the above mentioned svd_driver), now
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
796 accept a "local" option as second argument, requesting the change
11154
92a7c136ab35 Update NEWS with more deprecated functions from version 3.4
Rik <octave@nomad.inbox5.com>
parents: 11139
diff changeset
797 to be undone when the current function returns:
10639
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
798
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
799 function [status, msg] = rm_rf (dir)
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
800 confirm_recursive_rmdir (false, "local");
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
801 [status, msg] = rmdir (dir, "s");
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
802 ...
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
803 endfunction
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
804
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
805 Upon return, confirm_recursive_rmdir will be restored to the value
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
806 it had on entry to the function, even if there were subsequent
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
807 changes to the variable in function rm_rf or any of the functions
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
808 it calls.
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
809
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
810 ** pkg now accepts a -forge option for downloading and installing
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
811 packages from Octave Forge automatically. For example,
10774
cfb13443434f update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10639
diff changeset
812
cfb13443434f update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10639
diff changeset
813 pkg install -forge general
cfb13443434f update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10639
diff changeset
814
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
815 will automatically download the latest release of the general
14093
050bc580cb60 doc: Various docstring improvements before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 14082
diff changeset
816 package and attempt to install it. No automatic resolving of
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
817 dependencies is provided. Further,
10639
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
818
10774
cfb13443434f update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10639
diff changeset
819 pkg list -forge
cfb13443434f update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10639
diff changeset
820
cfb13443434f update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10639
diff changeset
821 can be used to list all available packages.
cfb13443434f update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10639
diff changeset
822
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
823 ** The internal data representation of structs has been completely
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
824 rewritten to make certain optimizations feasible. The field data
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
825 can now be shared between structs with equal keys but different
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
826 dimensions or values, making operations that preserve the fields
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
827 faster. Economized storage is now used for scalar structs (just
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
828 like most other scalars), making their usage more
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
829 memory-efficient. Certain array-like operations on structs
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
830 (concatenation, uniform cellfun, num2cell) have gained a
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
831 significant speed-up. Additionally, the octave_scalar_map class
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
832 now provides a simpler interface to work with scalar structs within
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
833 a C++ DLD function.
10639
a52cc4f6ebfc update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10536
diff changeset
834
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
835 ** Two new formats are available for displaying numbers:
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
836
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
837 format short eng
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
838 format long eng
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
839
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
840 Both display numbers in engineering notation, i.e., mantissa +
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
841 exponent where the exponent is a multiple of 3.
10776
062304bd692e Update NEWS with description of new engineering format for numbers.
Rik <octave@nomad.inbox5.com>
parents: 10774
diff changeset
842
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
843 ** The following functions are new in Octave 3.4:
12723
6ed1e0be181e doc: Update NEWS with new functions for release 3.4.1
Rik <octave@nomad.inbox5.com>
parents: 12713
diff changeset
844 accumdim erfcx nfields pqpnonneg uigetdir
6ed1e0be181e doc: Update NEWS with new functions for release 3.4.1
Rik <octave@nomad.inbox5.com>
parents: 12713
diff changeset
845 bitpack fileread nth_element quadcc uigetfile
6ed1e0be181e doc: Update NEWS with new functions for release 3.4.1
Rik <octave@nomad.inbox5.com>
parents: 12713
diff changeset
846 bitunpack fminbnd onCleanup randi uiputfile
6ed1e0be181e doc: Update NEWS with new functions for release 3.4.1
Rik <octave@nomad.inbox5.com>
parents: 12713
diff changeset
847 blkmm fskipl pbaspect repelems uimenu
6ed1e0be181e doc: Update NEWS with new functions for release 3.4.1
Rik <octave@nomad.inbox5.com>
parents: 12713
diff changeset
848 cbrt ifelse pie3 reset whitebg
6ed1e0be181e doc: Update NEWS with new functions for release 3.4.1
Rik <octave@nomad.inbox5.com>
parents: 12713
diff changeset
849 curl ishermitian powerset rsf2csf
6ed1e0be181e doc: Update NEWS with new functions for release 3.4.1
Rik <octave@nomad.inbox5.com>
parents: 12713
diff changeset
850 chop isindex ppder saveas
6ed1e0be181e doc: Update NEWS with new functions for release 3.4.1
Rik <octave@nomad.inbox5.com>
parents: 12713
diff changeset
851 daspect luupdate ppint strread
6ed1e0be181e doc: Update NEWS with new functions for release 3.4.1
Rik <octave@nomad.inbox5.com>
parents: 12713
diff changeset
852 divergence merge ppjumps textread
11109
41d18f6342f9 remove image_viewer function
John W. Eaton <jwe@octave.org>
parents: 10966
diff changeset
853
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
854 ** Using the image function to view images with external programs such
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
855 as display, xv, and xloadimage is no longer supported. The
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
856 image_viewer function has also been removed.
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
857
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
858 ** The behavior of struct assignments to non-struct values has been
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
859 changed. Previously, it was possible to overwrite an arbitrary
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
860 value:
11109
41d18f6342f9 remove image_viewer function
John W. Eaton <jwe@octave.org>
parents: 10966
diff changeset
861
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
862 a = 1;
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
863 a.x = 2;
10873
8f17e3309a82 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10829
diff changeset
864
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
865 This is no longer possible unless a is an empty matrix or cell
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
866 array.
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
867
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
868 ** The dlmread function has been extended to allow specifying a custom
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
869 value for empty fields.
10829
61cb53ae9db3 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10776
diff changeset
870
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
871 ** The dlmread and dlmwrite functions have been modified to accept
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
872 file IDs (as returned by fopen) in addition to file names.
11111
84ad75921e35 edit NEWS file
John W. Eaton <jwe@octave.org>
parents: 11109
diff changeset
873
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
874 ** Octave can now optimize away the interpreter overhead of an
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
875 anonymous function handle, if the function simply calls another
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
876 function or handle with some of its parameters bound to certain
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
877 values. Example:
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
878
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
879 f = @(x) sum (x, 1);
10966
07b4cd795742 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10938
diff changeset
880
12418
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
881 When f is called, the call is forwarded to @sum with the constant 1
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
882 appended, and the anonymous function call does not occur on the
b914e8125f1b NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
Rik <octave@nomad.inbox5.com>
parents: 12413
diff changeset
883 call stack.
10829
61cb53ae9db3 update NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 10776
diff changeset
884
12424
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
885 ** For compatibility with Matlab, mu2lin (x) is now equivalent to
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
886 mu2lin (x, 0).
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
887
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
888 ** The new function `history_control' may be used to control the way
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
889 command lines are added to the history list when Octave is using
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
890 readline for command-line editing. For example
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
891
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
892 history_control ("ignoredups")
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
893
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
894 tells Octave to avoid adding duplicate lines to the history list.
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
895
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
896 ** Octave now uses the gnulib library for improved portability and to
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
897 avoid bugs in operating system functions.
afb65a7bc065 update NEWS
John W. Eaton <jwe@octave.org>
parents: 12418
diff changeset
898
11112
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
899 ** Deprecated functions.
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
900
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
901 The following functions were deprecated in Octave 3.0 and have been
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
902 removed from Octave 3.4.
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
903
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
904 beta_cdf geometric_pdf pascal_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
905 beta_inv geometric_rnd pascal_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
906 beta_pdf hypergeometric_cdf poisson_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
907 beta_rnd hypergeometric_inv poisson_inv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
908 binomial_cdf hypergeometric_pdf poisson_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
909 binomial_inv hypergeometric_rnd poisson_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
910 binomial_pdf intersection polyinteg
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
911 binomial_rnd is_bool setstr
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
912 chisquare_cdf is_complex struct_contains
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
913 chisquare_inv is_list struct_elements
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
914 chisquare_pdf is_matrix t_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
915 chisquare_rnd is_scalar t_inv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
916 clearplot is_square t_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
917 clg is_stream t_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
918 com2str is_struct uniform_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
919 exponential_cdf is_symmetric uniform_inv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
920 exponential_inv is_vector uniform_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
921 exponential_pdf isstr uniform_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
922 exponential_rnd lognormal_cdf weibcdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
923 f_cdf lognormal_inv weibinv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
924 f_inv lognormal_pdf weibpdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
925 f_pdf lognormal_rnd weibrnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
926 f_rnd meshdom weibull_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
927 gamma_cdf normal_cdf weibull_inv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
928 gamma_inv normal_inv weibull_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
929 gamma_pdf normal_pdf weibull_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
930 gamma_rnd normal_rnd wiener_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
931 geometric_cdf pascal_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
932 geometric_inv pascal_inv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
933
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
934 The following functions were deprecated in Octave 3.2 and will
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
935 be removed from Octave 3.6 (or whatever version is the second major
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
936 release after 3.2):
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
937
11390
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
938 create_set spcholinv splu
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
939 dmult spcumprod spmax
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
940 iscommand spcumsum spmin
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
941 israwcommand spdet spprod
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
942 lchol spdiag spqr
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
943 loadimage spfind spsum
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
944 mark_as_command sphcat spsumsq
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
945 mark_as_rawcommand spinv spvcat
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
946 spatan2 spkron str2mat
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
947 spchol splchol unmark_command
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
948 spchol2inv split unmark_rawcommand
11112
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
949
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
950 The following functions have been deprecated in Octave 3.4 and will
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
951 be removed from Octave 3.8 (or whatever version is the second major
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
952 release after 3.4):
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
953
14354
55bb8c902a4d maint: Remove deprecated functions from dev branch for next (3.8) release.
Rik <octave@nomad.inbox5.com>
parents: 14294
diff changeset
954 autocor cellidx gammai is_global replot values
55bb8c902a4d maint: Remove deprecated functions from dev branch for next (3.8) release.
Rik <octave@nomad.inbox5.com>
parents: 14294
diff changeset
955 autocov dispatch glpkmex krylovb saveimage
55bb8c902a4d maint: Remove deprecated functions from dev branch for next (3.8) release.
Rik <octave@nomad.inbox5.com>
parents: 14294
diff changeset
956 betai fstat intwarning perror strerror
11112
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
957
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
958 Summary of important user-visible changes for version 3.2:
5913
e915287e3ef9 [project @ 2006-07-28 17:06:14 by jwe]
jwe
parents: 5814
diff changeset
959 ---------------------------------------------------------
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
960
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
961 ** Compatibility with Matlab graphics has been improved.
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
962
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
963 The hggroup object and associated listener callback functions have
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
964 been added allowing the inclusion of group objects. Data sources
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
965 have been added to these group objects such that
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
966
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
967 x = 0:0.1:10;
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
968 y = sin (x);
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
969 plot (x, y, "ydatasource", "y");
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
970 for i = 1 : 100
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
971 pause(0.1)
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
972 y = sin (x + 0.1 * i);
14188
053404893d02 update NEWS
John W. Eaton <jwe@octave.org>
parents: 14178
diff changeset
973 refreshdata ();
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
974 endfor
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
975
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
976 works as expected. This capability has be used to introduce
9031
1052a66078cf Documentation cleanup of top-level Octave directory (READMEs, INSTALL)
Rik <rdrider0-list@yahoo.com>
parents: 8932
diff changeset
977 stem-series, bar-series, etc., objects for better Matlab
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
978 compatibility.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
979
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
980 ** New graphics functions:
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
981
11576
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
982 addlistener ezcontour gcbo refresh
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
983 addproperty ezcontourf ginput refreshdata
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
984 allchild ezmesh gtext specular
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
985 available_graphics_toolkits ezmeshc intwarning surfl
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
986 graphics_toolkit ezplot ishghandle trisurf
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
987 cla ezplot3 isocolors waitforbuttonpress
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
988 clabel ezpolar isonormals
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
989 comet ezsurf isosurface
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
990 dellistener findall linkprop
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
991 diffuse gcbf plotmatrix
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
992
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
993 ** New experimental OpenGL/FLTK based plotting system.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
994
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
995 An experimental plotting system based on OpenGL and the FLTK
11576
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
996 toolkit is now part of Octave. This graphics toolkit is disabled by
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
997 default. You can switch to using it with the command
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
998
11576
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
999 graphics_toolkit ("fltk")
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
1000
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
1001 for all future figures or for a particular figure with the command
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
1002
11576
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
1003 graphics_toolkit (h, "fltk")
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
1004
11139
0dd95d1d57e6 update NEWS
John W. Eaton <jwe@octave.org>
parents: 11112
diff changeset
1005 where "h" is a valid figure handle.
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
1006
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1007 ** Functions providing direct access to gnuplot have been removed.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1008
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
1009 The functions __gnuplot_plot__, __gnuplot_set__, __gnuplot_raw__,
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
1010 __gnuplot_show__, __gnuplot_replot__, __gnuplot_splot__,
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1011 __gnuplot_save_data__ and __gnuplot_send_inline_data__ have been
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1012 removed from Octave. These function were incompatible with the
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1013 high level graphics handle code.
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1014
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1015 ** The Control, Finance and Quaternion functions have been removed.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1016
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1017 These functions are now available as separate packages from
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1018
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1019 http://octave.sourceforge.net/packages.html
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1020
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1021 and can be reinstalled using the Octave package manager (see
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1022 the pkg function).
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1023
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1024 ** Specific sparse matrix functions removed.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1025
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1026 The following functions, which handled only sparse matrices have
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1027 been removed. Instead of calling these functions directly, you
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1028 should use the corresponding function without the "sp" prefix.
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1029
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1030 spatan2 spcumsum spkron spprod
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1031 spchol spdet splchol spqr
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1032 spchol2inv spdiag splu spsum
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1033 spcholinv spfind spmax spsumsqk
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1034 spcumprod spinv spmin
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1035
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1036 ** Improvements to the debugger.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1037
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1038 The interactive debugging features have been improved. Stopping
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1039 on statements with dbstop should work correctly now. Stepping
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1040 into and over functions, and stepping one statement at a time
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1041 (with dbstep) now works. Moving up and down the call stack with
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1042 dbup and dbdown now works. The dbstack function is now available
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1043 to print the current function call stack. The new dbquit function
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1044 is available to exit the debugging mode.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1045
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1046 ** Improved traceback error messages.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1047
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1048 Traceback error messages are much more concise and easier to
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1049 understand. They now display information about the function call
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1050 stack instead of the stack of all statements that were active at
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1051 the point of the error.
8014
44d206ae68c9 improve fsolve compatibility
John W. Eaton <jwe@octave.org>
parents: 7990
diff changeset
1052
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1053 ** Object Oriented Programming.
8405
d79dfbff2f9d document new norm features in NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 8396
diff changeset
1054
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1055 Octave now includes OOP features and the user can create their own
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1056 class objects and overloaded functions and operators. For
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1057 example, all methods of a class called "myclass" will be found in
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1058 a directory "@myclass" on the users path. The class specific
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1059 versions of functions and operators take precedence over the
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1060 generic versions of these functions.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1061
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1062 New functions related to OOP include
7189
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1063
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1064 class inferiorto isobject loadobj methods superiorto
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1065
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1066 See the Octave manual for more details.
7038
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1067
8747
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1068 ** Parsing of Command-style Functions.
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1069
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1070 Octave now parses command-style functions without needing to first
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1071 declare them with "mark_as_command". The rules for recognizing a
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1072 command-style function calls are
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1073
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1074 * A command must appear as the first word in a statement,
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1075 followed by a space.
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1076
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1077 * The first character after the space must not be '=' or '('
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1078
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1079 * The next token after the space must not look like a binary
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1080 operator.
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1081
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1082 These rules should be mostly compatible with the way Matlab parses
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1083 command-style function calls and allow users to define commands in
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1084 .m files without having to mark them as commands.
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1085
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1086 Note that previous versions of Octave allowed expressions like
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1087
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1088 x = load -text foo.dat
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1089
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1090 but an expression like this will now generate a parse error. In
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1091 order to assign the value returned by a function to a variable,
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1092 you must use the normal function call syntax:
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1093
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1094 x = load ("-text", "foo.dat");
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1095
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1096 ** Block comments.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1097
8747
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1098 Commented code can be between matching "#{" and "#}" or "%{" and
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1099 "%}" markers, even if the commented code spans several line. This
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1100 allows blocks code to be commented, without needing to comment
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1101 each line. For example,
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1102
8747
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1103 function [s, t] = func (x, y)
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1104 s = 2 * x;
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1105 #{
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1106 s *= y;
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1107 t = y + x;
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1108 #}
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
1109 endfunction
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1110
8747
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
1111 the lines "s *= y;" and "t = y + x" will not be executed.
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1112
12400
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1113 ** If any subfunction in a file ends with "end" or "endfunction", then
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1114 they all must end that way. Previously, Octave accepted
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1115
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1116 function main ()
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1117 ...
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1118 # no endfunction here.
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1119 function sub ()
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1120 ...
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1121 endfunction
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1122
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1123 but this is no longer allowed.
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
1124
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1125 ** Special treatment in the parser of expressions like "a' * b".
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1126
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1127 In these cases the transpose is no longer explicitly formed and
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1128 BLAS libraries are called with the transpose flagged,
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1129 significantly improving performance for these kinds of
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1130 operations.
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents: 8405
diff changeset
1131
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1132 ** Single Precision data type.
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1133
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1134 Octave now includes a single precision data type. Single
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1135 precision variables can be created with the "single" command, or
9034
52515efc50c0 Documentation cleanup on NEWS file
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
1136 from functions like ones, eye, etc. For example,
5995
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1137
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1138 single (1)
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1139 ones (2, 2, "single")
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1140 zeros (2, 2, "single")
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1141 eye (2, 2, "single")
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1142 Inf (2, 2, "single")
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1143 NaN (2, 2, "single")
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1144 NA (2, 2, "single")
7279
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1145
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1146 all create single precision variables. For compatibility with
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1147 Matlab, mixed double/single precision operators and functions
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1148 return single precision types.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1149
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1150 As a consequence of this addition to Octave the internal
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
1151 representation of the double precision NA value has changed, and
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
1152 so users that make use of data generated by Octave with R or
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
1153 visa-versa are warned that compatibility might not be assured.
7279
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1154
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1155 ** Improved array indexing.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1156
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1157 The underlying code used for indexing of arrays has been
9034
52515efc50c0 Documentation cleanup on NEWS file
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
1158 completely rewritten and indexing is now significantly faster.
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1159
8755
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
1160 ** Improved memory management.
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
1161
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
1162 Octave will now attempt to share data in some cases where previously
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
1163 a copy would be made, such as certain array slicing operations or
9031
1052a66078cf Documentation cleanup of top-level Octave directory (READMEs, INSTALL)
Rik <rdrider0-list@yahoo.com>
parents: 8932
diff changeset
1164 conversions between cells, structs and cs-lists. This usually reduces
8755
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
1165 both time and memory consumption.
9128
c71fe7045aa0 small NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9110
diff changeset
1166 Also, Octave will now attempt to detect and optimize usage of a vector
c71fe7045aa0 small NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9110
diff changeset
1167 as a stack, when elements are being repeatedly inserted at/removed from
c71fe7045aa0 small NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9110
diff changeset
1168 the end of the vector.
8755
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
1169
8738
c32e710407ee NEWS: another update
John W. Eaton <jwe@octave.org>
parents: 8737
diff changeset
1170 ** Improved performance for reduction operations.
c32e710407ee NEWS: another update
John W. Eaton <jwe@octave.org>
parents: 8737
diff changeset
1171
8755
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
1172 The performance of the sum, prod, sumsq, cumsum, cumprod, any, all,
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
1173 max and min functions has been significantly improved.
8738
c32e710407ee NEWS: another update
John W. Eaton <jwe@octave.org>
parents: 8737
diff changeset
1174
9006
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1175 ** Sorting and searching.
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1176
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1177 The performance of sort has been improved, especially when sorting
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1178 indices are requested. An efficient built-in issorted
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1179 implementation was added. The sortrows function now uses a more
12702
013cd94d8d7f doc: Spelling fixes for various documentation files
John Bradshaw <john@johnbradshaw.org>
parents: 12698
diff changeset
1180 efficient algorithm, especially in the homogeneous case. The lookup
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1181 function is now a built-in function performing a binary search,
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1182 optimized for long runs of close elements. Lookup also works with
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1183 cell arrays of strings.
9006
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1184
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1185 ** Range arithmetics
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1186
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1187 For some operations on ranges, Octave will attempt to keep the
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1188 result as a range. These include negation, adding a scalar,
14093
050bc580cb60 doc: Various docstring improvements before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 14082
diff changeset
1189 subtracting a scalar, and multiplying by a scalar. Ranges with zero
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1190 increment are allowed and can be constructed using the built-in
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1191 function `ones'.
9006
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1192
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1193 ** Various performance improvements.
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1194
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1195 Performance of a number of other built-in operations and functions
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
1196 was improved, including:
9006
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1197
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1198 * logical operations
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1199 * comparison operators
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1200 * element-wise power
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1201 * accumarray
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1202 * cellfun
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1203 * isnan
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1204 * isinf
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1205 * isfinite
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1206 * nchoosek
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1207 * repmat
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1208 * strcmp
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1209
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1210 ** 64-bit integer arithmetic.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1211
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1212 Arithmetic with 64-bit integers (int64 and uint64 types) is fully
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1213 supported, with saturation semantics like the other integer types.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1214 Performance of most integer arithmetic operations has been
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1215 improved by using integer arithmetic directly. Previously, Octave
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1216 performed integer math with saturation semantics by converting the
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1217 operands to double precision, performing the operation, and then
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1218 converting the result back to an integer value, truncating if
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1219 necessary.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1220
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1221 ** Diagonal and permutation matrices.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1222
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1223 The interpreter can now treat diagonal and permutation matrices as
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1224 special objects that store only the non-zero elements, rather than
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1225 general full matrices. Therefore, it is now possible to construct
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1226 and use these matrices in linear algebra without suffering a
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1227 performance penalty due to storing large numbers of zero elements.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1228
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1229 ** Improvements to fsolve.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1230
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1231 The fsolve function now accepts an option structure argument (see
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1232 also the optimset function). The INFO values returned from fsolve
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1233 have changed to be compatible with Matlab's fsolve function.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1234 Additionally, fsolve is now able to solve overdetermined systems,
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1235 complex-differentiable complex systems, systems with a sparse
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1236 jacobian and can work in single precision if given single precision
9031
1052a66078cf Documentation cleanup of top-level Octave directory (READMEs, INSTALL)
Rik <rdrider0-list@yahoo.com>
parents: 8932
diff changeset
1237 inputs. It can also be called recursively.
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1238
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1239 ** Improvements to the norm function.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1240
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1241 The norm function is now able to compute row or column norms of a
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1242 matrix in a single call, as well as general matrix p-norms.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1243
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1244 ** New functions for computing some eigenvalues or singular values.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1245
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1246 The eigs and svds functions have been included in Octave. These
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1247 functions require the ARPACK library (now distributed under a
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1248 GPL-compatible license).
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1249
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1250 ** New QR and Cholesky factorization updating functions.
8370
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
1251
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1252 choldelete cholshift qrdelete qrshift
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1253 cholinsert cholupdate qrinsert qrupdate
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1254
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1255 ** New quadrature functions.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1256
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1257 dblquad quadgk quadv triplequad
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1258
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1259 ** New functions for reading and writing images.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1260
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1261 The imwrite and imread functions have been included in Octave.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1262 These functions require the GraphicsMagick library. The new
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1263 function imfinfo provides information about an image file (size,
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1264 type, colors, etc.)
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1265
9215
1500d0197484 allow multiple input event hook functions to be installed simultaneously
John W. Eaton <jwe@octave.org>
parents: 9128
diff changeset
1266 ** The input_event_hook function has been replaced by the pair of
1500d0197484 allow multiple input event hook functions to be installed simultaneously
John W. Eaton <jwe@octave.org>
parents: 9128
diff changeset
1267 functions add_input_event_hook and remove_input_event_hook so that
1500d0197484 allow multiple input event hook functions to be installed simultaneously
John W. Eaton <jwe@octave.org>
parents: 9128
diff changeset
1268 more than one hook function may be installed at a time.
1500d0197484 allow multiple input event hook functions to be installed simultaneously
John W. Eaton <jwe@octave.org>
parents: 9128
diff changeset
1269
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
1270 ** Other miscellaneous new functions.
8370
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
1271
8932
2d0f8692a82e Add the 'histc' function
Soren Hauberg <hauberg@gmail.com>
parents: 8888
diff changeset
1272 addtodate hypot reallog
2d0f8692a82e Add the 'histc' function
Soren Hauberg <hauberg@gmail.com>
parents: 8888
diff changeset
1273 bicgstab idivide realpow
9006
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1274 cellslices info realsqrt
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1275 cgs interp1q rectint
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1276 command_line_path isdebugmode regexptranslate
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1277 contrast isfloat restoredefaultpath
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1278 convn isstrprop roundb
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1279 cummin log1p rundemos
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1280 cummax lsqnonneg runlength
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1281 datetick matlabroot saveobj
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1282 display namelengthmax spaugment
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1283 expm1 nargoutchk strchr
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1284 filemarker pathdef strvcat
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1285 fstat perl subspace
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1286 full prctile symvar
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1287 fzero quantile treelayout
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1288 genvarname re_read_readline_init_file validatestring
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
1289 histc
8370
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
1290
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1291 ** Changes to strcat.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1292
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1293 The strcat function is now compatible with Matlab's strcat
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1294 function, which removes trailing whitespace when concatenating
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1295 character strings. For example
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1296
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1297 strcat ('foo ', 'bar')
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1298 ==> 'foobar'
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1299
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1300 The new function cstrcat provides the previous behavior of
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1301 Octave's strcat.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1302
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1303 ** Improvements to the help functions.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1304
9034
52515efc50c0 Documentation cleanup on NEWS file
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
1305 The help system has been mostly re-implemented in .m files to make
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1306 it easier to modify. Performance of the lookfor function has been
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1307 greatly improved by caching the help text from all functions that
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1308 are distributed with Octave. The pkg function has been modified
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1309 to generate cache files for external packages when they are
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1310 installed.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
1311
8888
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1312 ** Deprecated functions.
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1313
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1314 The following functions were deprecated in Octave 3.0 and will be
11112
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1315 removed from Octave 3.4 (or whatever version is the second major
8888
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1316 release after 3.0):
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1317
11112
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1318 beta_cdf geometric_pdf pascal_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1319 beta_inv geometric_rnd pascal_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1320 beta_pdf hypergeometric_cdf poisson_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1321 beta_rnd hypergeometric_inv poisson_inv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1322 binomial_cdf hypergeometric_pdf poisson_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1323 binomial_inv hypergeometric_rnd poisson_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1324 binomial_pdf intersection polyinteg
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1325 binomial_rnd is_bool setstr
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1326 chisquare_cdf is_complex struct_contains
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1327 chisquare_inv is_list struct_elements
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1328 chisquare_pdf is_matrix t_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1329 chisquare_rnd is_scalar t_inv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1330 clearplot is_square t_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1331 clg is_stream t_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1332 com2str is_struct uniform_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1333 exponential_cdf is_symmetric uniform_inv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1334 exponential_inv is_vector uniform_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1335 exponential_pdf isstr uniform_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1336 exponential_rnd lognormal_cdf weibcdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1337 f_cdf lognormal_inv weibinv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1338 f_inv lognormal_pdf weibpdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1339 f_pdf lognormal_rnd weibrnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1340 f_rnd meshdom weibull_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1341 gamma_cdf normal_cdf weibull_inv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1342 gamma_inv normal_inv weibull_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1343 gamma_pdf normal_pdf weibull_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1344 gamma_rnd normal_rnd wiener_rnd
8888
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1345 geometric_cdf pascal_cdf
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1346 geometric_inv pascal_inv
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1347
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1348 The following functions are now deprecated in Octave 3.2 and will
11112
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
1349 be removed from Octave 3.6 (or whatever version is the second major
8888
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1350 release after 3.2):
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1351
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1352 create_set spcholinv spmax
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1353 dmult spcumprod spmin
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1354 iscommand spcumsum spprod
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1355 israwcommand spdet spqr
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1356 lchol spdiag spsum
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1357 loadimage spfind spsumsq
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1358 mark_as_command spinv str2mat
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1359 mark_as_rawcommand spkron unmark_command
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1360 spatan2 splchol unmark_rawcommand
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1361 spchol split
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1362 spchol2inv splu
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
1363
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
1364 See NEWS.3 for old news.