annotate NEWS @ 12709:96180026afc5 stable

maint: update NEWS. * NEWS: Edit in preparation for 3.4.1 release.
author John W. Eaton <jwe@octave.org>
date Thu, 02 Jun 2011 17:44:51 -0400
parents 013cd94d8d7f
children f66dacbeb7be 89638f2b844a
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1 Summary of important user-visible changes for version 3.4.1:
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2 -----------------------------------------------------------
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3
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4 ** Octave 3.4.1 is primarily a bug fixing release.
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5
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6 ** IMPORTANT note about binary incompatibility in this release:
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7
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8 The original goal was to ensure binary compatibility for all 3.4.x
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9 releases but this is impossible for the 3.4.1 release due to a bug
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10 in the way shared libraries were built in Octave 3.4.0. Because of
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11 this bug, .oct files built for Octave 3.4.0 must be recompiled
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12 before they will work with Octave 3.4.1.
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13
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14 Given that there would be binary incompatibilities with shared
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15 libraries going from Octave 3.4.0 to 3.4.1, we also made the
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16 following incompatible changes in this release:
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17
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18 * The Perl Compatible Regular Expression (PCRE) library is now
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19 required to build Octave.
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20
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21 Any future Octave 3.4.x release versions should remain binary
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22 compatible with Octave 3.4.1 as we are now using proper library
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23 versioning as recommended by the libtool manual.
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24
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25 ** The following functions have been deprecated in Octave 3.4.1 and will
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26 be removed from Octave 3.8 (or whatever version is the second major
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27 release after 3.4):
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28
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29 cquad is_duplicate_entry perror strerror
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30
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31 ** The following functions are new in 3.4.1:
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32
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33 colstyle iscolumn isrow
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34
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35 ** The get_forge_pkg function is now private.
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36
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37 ** The rectangle_lw, rectangle_sw, triangle_lw, and triangle_sw
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38 functions are now private.
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39
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40 ** The logistic_regression_derivatives and logistic_regression_likelihood
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41 functions are now private.
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42
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43 Summary of important user-visible changes for version 3.4:
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44 ---------------------------------------------------------
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45
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46 ** BLAS and LAPACK libraries are now required to build Octave. The
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47 subset of the reference BLAS and LAPACK libraries has been removed
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48 from the Octave sources.
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49
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50 ** The ARPACK library is now distributed with Octave so it no longer
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51 needs to be available as an external dependency when building
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52 Octave.
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53
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54 ** The `lookup' function was extended to be more useful for
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55 general-purpose binary searching. Using this improvement, the
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56 ismember function was rewritten for significantly better
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57 performance.
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58
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59 ** Real, integer and logical matrices, when used in indexing, will now
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60 cache the internal index_vector value (zero-based indices) when
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61 successfully used as indices, eliminating the conversion penalty for
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62 subsequent indexing by the same matrix. In particular, this means it
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63 is no longer needed to avoid repeated indexing by logical arrays
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64 using find for performance reasons.
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65
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66 ** Logical matrices are now treated more efficiently when used as
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67 indices. Octave will keep the index as a logical mask unless the
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68 ratio of true elements is small enough, using a specialized
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69 code. Previously, all logical matrices were always first converted
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70 to index vectors. This results in savings in both memory and
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71 computing time.
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72
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73 ** The `sub2ind' and `ind2sub' functions were reimplemented as compiled
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74 functions for better performance. These functions are now faster,
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75 can deliver more economized results for ranges, and can reuse the
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76 index cache mechanism described in previous paragraph.
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77
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78 ** The built-in function equivalents to associative operators (`plus',
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79 `times', `mtimes', `and', and `or') have been extended to accept
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80 multiple arguments. This is especially useful for summing
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81 (multiplying, etc.) lists of objects (of possibly distinct types):
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82
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83 matrix_sum = plus (matrix_list{:});
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84
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85 ** An FTP object type based on libcurl has been implemented. These
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86 objects allow ftp connections, downloads and uploads to be
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87 managed. For example,
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88
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89 fp = ftp ("ftp.octave.org);
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90 cd (fp, "gnu/octave");
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91 mget (fp, "octave-3.2.3.tar.bz2");
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92 close (fp);
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93
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94 ** The default behavior of `assert (observed, expected)' has been
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95 relaxed to employ less strict checking that does not require the
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96 internals of the values to match. This avoids previously valid
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97 tests from breaking due to new internal classes introduced in future
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98 Octave versions.
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99
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100 For instance, all of these assertions were true in Octave 3.0.x
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101 but false in 3.2.x due to new optimizations and improvements:
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102
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103 assert (2*linspace (1, 5, 5), 2*(1:5))
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104 assert (zeros (0, 0), [])
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105 assert (2*ones (1, 5), (2) (ones (1,5)))
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106
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107 ** The behavior of library functions `ismatrix', `issquare', and
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108 `issymmetric' has been changed for better consistency.
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109
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110 * The `ismatrix' function now returns true for all numeric,
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111 logical and character 2-D or N-D matrices. Previously, `ismatrix'
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112 returned false if the first or second dimension was zero.
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113 Hence, `ismatrix ([])' was false,
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114 while `ismatrix (zeros (1,2,0))' was true.
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115
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116 * The `issquare' function now returns a logical scalar, and is
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117 equivalent to the expression
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118
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119 ismatrix (x) && ndims (x) == 2 && rows (x) == columns (x)
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120
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121 The dimension is no longer returned. As a result, `issquare ([])'
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122 now yields true.
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123
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124 * The `issymmetric' function now checks for symmetry instead of
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125 Hermitianness. For the latter, ishermitian was created. Also,
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126 logical scalar is returned rather than the dimension, so
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127 `issymmetric ([])' is now true.
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128
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129 ** Function handles are now aware of overloaded functions. If a
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130 function is overloaded, the handle determines at the time of its
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131 reference which function to call. A non-overloaded version does not
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132 need to exist.
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133
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134 ** Overloading functions for built-in classes (double, int8, cell,
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135 etc.) is now compatible with Matlab.
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136
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137 ** Function handles can now be compared with the == and != operators,
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138 as well as the `isequal' function.
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139
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140 ** Performance of concatenation (using []) and the functions `cat',
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141 `horzcat', and `vertcat' has been improved for multidimensional
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142 arrays.
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143
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144 ** The operation-assignment operators +=, -=, *= and /= now behave more
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145 efficiently in certain cases. For instance, if M is a matrix and S a
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146 scalar, then the statement
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147
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148 M += S;
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149
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150 will operate on M's data in-place if it is not shared by another
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151 variable, usually increasing both time and memory efficiency.
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152
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153 Only selected common combinations are affected, namely:
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154
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155 matrix += matrix
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156 matrix -= matrix
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157 matrix .*= matrix
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158 matrix ./= matrix
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159
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160 matrix += scalar
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161 matrix -= scalar
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162 matrix *= scalar
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163 matrix /= scalar
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164
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165 logical matrix |= logical matrix
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166 logical matrix &= logical matrix
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167
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168 where matrix and scalar belong to the same class. The left-hand
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169 side must be a simple variable reference.
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170
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171 Moreover, when unary operators occur in expressions, Octave will
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172 also try to do the operation in-place if it's argument is a
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173 temporary expression.
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174
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175 ** The effect of comparison operators (<, >, <=, and >=) applied to
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176 complex numbers has changed to be consistent with the strict
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177 ordering defined by the `max', `min', and `sort' functions. More
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178 specifically, complex numbers are compared by lexicographical
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179 comparison of the pairs `[abs(z), arg(z)]'. Previously, only real
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180 parts were compared; this can be trivially achieved by wrapping the
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181 operands in real().
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182
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183 ** The automatic simplification of complex computation results has
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184 changed. Octave will now simplify any complex number with a zero
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185 imaginary part or any complex matrix with all elements having zero
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186 imaginary part to a real value. Previously, this was done only for
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187 positive zeros. Note that the behavior of the complex function is
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188 unchanged and it still produces a complex value even if the
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189 imaginary part is zero.
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190
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191 ** As a side effect of code refactoring in liboctave, the binary
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192 logical operations are now more easily amenable to compiler
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193 optimizations and are thus significantly faster.
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194
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195 ** Octave now allows user-defined `subsasgn' methods to optimize out
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196 redundant copies. For more information, see the manual.
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197
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198 ** More efficient matrix division handling. Octave is now able to
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199 handle the expressions
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200
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201 M' \ V
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202 M.' \ V
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203 V / M
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204
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205 (M is a matrix and V is a vector) more efficiently in certain cases.
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206 In particular, if M is triangular, all three expressions will be
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207 handled by a single call to xTRTRS (from LAPACK), with appropriate
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208 flags. Previously, all three expressions required a physical
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209 transpose of M.
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210
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211 ** More efficient handling of certain mixed real-complex matrix
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212 operations. For instance, if RM is a real matrix and CM a complex
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213 matrix,
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214
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215 RM * CM
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216
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217 can now be evaluated either as
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218
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219 complex (RM * real (CM), RM * imag (CM))
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220
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221 or as
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222
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223 complex (RM) * CM,
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224
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225 depending on the dimensions. The first form requires more
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226 temporaries and copying, but halves the FLOP count, which normally
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227 brings better performance if RM has enough rows. Previously, the
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228 second form was always used.
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229
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230 Matrix division is similarly affected.
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231
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232 ** More efficient handling of triangular matrix factors returned from
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233 factorizations. The functions for computing QR, LU and Cholesky
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234 factorizations will now automatically return the triangular matrix
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235 factors with proper internal matrix_type set, so that it won't need
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236 to be computed when the matrix is used for division.
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237
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238 ** The built-in `sum' function now handles the non-native summation
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239 (i.e., double precision sum of single or integer inputs) more
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240 efficiently, avoiding a temporary conversion of the whole input
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241 array to doubles. Further, `sum' can now accept an extra option
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242 argument, using a compensated summation algorithm rather than a
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243 straightforward sum, which significantly improves precision if lots
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244 of cancellation occurs in the summation.
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245
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246 ** The built-in `bsxfun' function now uses optimized code for certain
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247 cases where built-in operator handles are passed in. Namely, the
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248 optimizations concern the operators `plus', `minus', `times',
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249 `ldivide', `rdivide', `power', `and', `or' (for logical arrays),
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250 the relational operators `eq', `ne', `lt', `le', `gt', `ge', and the
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251 functions `min' and `max'. Optimizations only apply when both
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252 operands are of the same built-in class. Mixed real/complex and
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253 single/double operations will first convert both operands to a
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254 common type.
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255
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256 ** The `strfind' and `strrep' functions now have compiled
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257 implementations, facilitating significantly more efficient searching
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258 and replacing in strings, especially with longer patterns. The code
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259 of `strcat' has been vectorized and is now much more efficient when
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260 many strings are concatenated. The `strcmpi' and `strncmpi'
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261 functions are now built-in functions, providing better performance.
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262
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263 ** Matlab-style ignoring input and output function arguments using
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264 tilde (~) is now supported. Ignored output arguments may be
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265 detected from a function using the built-in function `isargout'.
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266 For more details, consult the manual.
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267
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268 ** The list datatype, deprecated since the introduction of cells, has
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269 been removed.
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270
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271 ** The accumarray function has been optimized and is now significantly
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272 faster in certain important cases.
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273
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274 ** The behavior of isreal and isnumeric functions was changed to be more
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275 Matlab-compatible.
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276
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277 ** The integer math & conversion warnings (Octave:int-convert-nan,
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278 Octave:int-convert-non-int-val, Octave:int-convert-overflow,
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279 Octave:int-math-overflow) have been removed.
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280
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281 ** rem and mod are now built-in functions. They also handle integer
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282 types efficiently using integer arithmetic.
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283
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284 ** Sparse indexing and indexed assignment has been mostly rewritten.
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285 Since Octave uses compressed column storage for sparse matrices,
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286 major attention is devoted to operations manipulating whole columns.
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287 Such operations are now significantly faster, as well as some other
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288 important cases.
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289
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290 Further, it is now possible to pre-allocate a sparse matrix and
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291 subsequently fill it by assignments, provided they meet certain
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292 conditions. For more information, consult the `spalloc' function,
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293 which is no longer a mere dummy. Consequently, nzmax and nnz are no
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294 longer always equal in Octave. Octave may also produce a matrix
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295 with nnz < nzmax as a result of other operations, so you should
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296 consistently use nnz unless you really want to use nzmax (i.e. the
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297 space allocated for nonzero elements).
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298
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299 Sparse concatenation is also affected, and concatenating sparse
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300 matrices, especially larger collections, is now significantly more
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301 efficient. This applies to both the [] operator and the
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302 cat/vertcat/horzcat functions.
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303
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304 ** It is now possible to optionally employ the xGESDD LAPACK drivers
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305 for computing the singular value decomposition using svd(), instead
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306 of the default xGESVD, using the configuration pseudo-variable
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307 svd_driver. The xGESDD driver can be up to 6x times faster when
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308 singular vectors are requested, but is reported to be somewhat less
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309 robust on highly ill-conditioned matrices.
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310
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311 ** Configuration pseudo-variables, such as page_screen_output or
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312 confirm_recursive_rmdir (or the above mentioned svd_driver), now
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313 accept a "local" option as second argument, requesting the change
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314 to be undone when the current function returns:
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315
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316 function [status, msg] = rm_rf (dir)
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317 confirm_recursive_rmdir (false, "local");
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318 [status, msg] = rmdir (dir, "s");
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319 ...
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320 endfunction
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321
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322 Upon return, confirm_recursive_rmdir will be restored to the value
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323 it had on entry to the function, even if there were subsequent
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324 changes to the variable in function rm_rf or any of the functions
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325 it calls.
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326
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327 ** pkg now accepts a -forge option for downloading and installing
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328 packages from Octave Forge automatically. For example,
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329
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330 pkg install -forge general
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331
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332 will automatically download the latest release of the general
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333 package and attempt to install it. No automatic resolving of
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334 dependencies is provided. Further,
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335
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336 pkg list -forge
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337
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338 can be used to list all available packages.
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339
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340 ** The internal data representation of structs has been completely
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341 rewritten to make certain optimizations feasible. The field data
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342 can now be shared between structs with equal keys but different
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343 dimensions or values, making operations that preserve the fields
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344 faster. Economized storage is now used for scalar structs (just
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345 like most other scalars), making their usage more
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346 memory-efficient. Certain array-like operations on structs
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347 (concatenation, uniform cellfun, num2cell) have gained a
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348 significant speed-up. Additionally, the octave_scalar_map class
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349 now provides a simpler interface to work with scalar structs within
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350 a C++ DLD function.
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351
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352 ** Two new formats are available for displaying numbers:
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353
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354 format short eng
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355 format long eng
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356
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357 Both display numbers in engineering notation, i.e., mantissa +
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358 exponent where the exponent is a multiple of 3.
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359
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360 ** The following functions are new in Octave 3.4:
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361 accumdim divergence merge ppjumps strread
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362 bitpack erfcx nfields pqpnonneg textread
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363 bitunpack fileread nth_element quadcc uigetdir
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364 blkmm fminbnd onCleanup randi uigetfile
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365 cbrt fskipl pbaspect rectangle uiputfile
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366 curl ifelse pie3 repelems uimenu
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367 chop ishermitian powerset reset whitebg
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368 colstyle isindex ppder rsf2csf
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369 daspect luupdate ppint saveas
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370
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371 ** Using the image function to view images with external programs such
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372 as display, xv, and xloadimage is no longer supported. The
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373 image_viewer function has also been removed.
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374
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375 ** The behavior of struct assignments to non-struct values has been
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376 changed. Previously, it was possible to overwrite an arbitrary
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377 value:
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378
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379 a = 1;
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380 a.x = 2;
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381
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382 This is no longer possible unless a is an empty matrix or cell
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383 array.
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384
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385 ** The dlmread function has been extended to allow specifying a custom
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386 value for empty fields.
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387
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388 ** The dlmread and dlmwrite functions have been modified to accept
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389 file IDs (as returned by fopen) in addition to file names.
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390
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391 ** Octave can now optimize away the interpreter overhead of an
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392 anonymous function handle, if the function simply calls another
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393 function or handle with some of its parameters bound to certain
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394 values. Example:
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395
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396 f = @(x) sum (x, 1);
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397
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398 When f is called, the call is forwarded to @sum with the constant 1
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399 appended, and the anonymous function call does not occur on the
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400 call stack.
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401
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402 ** For compatibility with Matlab, mu2lin (x) is now equivalent to
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403 mu2lin (x, 0).
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404
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405 ** The new function `history_control' may be used to control the way
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406 command lines are added to the history list when Octave is using
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407 readline for command-line editing. For example
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408
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409 history_control ("ignoredups")
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410
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411 tells Octave to avoid adding duplicate lines to the history list.
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412
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413 ** Octave now uses the gnulib library for improved portability and to
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414 avoid bugs in operating system functions.
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415
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416 ** Deprecated functions.
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417
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418 The following functions were deprecated in Octave 3.0 and have been
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419 removed from Octave 3.4.
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420
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421 beta_cdf geometric_pdf pascal_pdf
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422 beta_inv geometric_rnd pascal_rnd
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423 beta_pdf hypergeometric_cdf poisson_cdf
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424 beta_rnd hypergeometric_inv poisson_inv
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425 binomial_cdf hypergeometric_pdf poisson_pdf
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426 binomial_inv hypergeometric_rnd poisson_rnd
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diff changeset
427 binomial_pdf intersection polyinteg
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428 binomial_rnd is_bool setstr
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429 chisquare_cdf is_complex struct_contains
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430 chisquare_inv is_list struct_elements
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431 chisquare_pdf is_matrix t_cdf
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432 chisquare_rnd is_scalar t_inv
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433 clearplot is_square t_pdf
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434 clg is_stream t_rnd
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435 com2str is_struct uniform_cdf
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436 exponential_cdf is_symmetric uniform_inv
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437 exponential_inv is_vector uniform_pdf
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438 exponential_pdf isstr uniform_rnd
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439 exponential_rnd lognormal_cdf weibcdf
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440 f_cdf lognormal_inv weibinv
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441 f_inv lognormal_pdf weibpdf
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442 f_pdf lognormal_rnd weibrnd
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443 f_rnd meshdom weibull_cdf
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444 gamma_cdf normal_cdf weibull_inv
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445 gamma_inv normal_inv weibull_pdf
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diff changeset
446 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
447 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
448 geometric_cdf pascal_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
449 geometric_inv pascal_inv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
450
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
451 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
452 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
453 release after 3.2):
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
454
11390
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
455 create_set spcholinv splu
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
456 dmult spcumprod spmax
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
457 iscommand spcumsum spmin
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
458 israwcommand spdet spprod
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
459 lchol spdiag spqr
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
460 loadimage spfind spsum
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
461 mark_as_command sphcat spsumsq
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
462 mark_as_rawcommand spinv spvcat
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
463 spatan2 spkron str2mat
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
464 spchol splchol unmark_command
7ca273af4309 Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents: 11330
diff changeset
465 spchol2inv split unmark_rawcommand
11112
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
466
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
467 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
468 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
469 release after 3.4):
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
470
12574
89604fa96d2f Deprecate perror, strerror functions.
Rik <octave@nomad.inbox5.com>
parents: 12556
diff changeset
471 autocor cellidx fstat is_global replot values
89604fa96d2f Deprecate perror, strerror functions.
Rik <octave@nomad.inbox5.com>
parents: 12556
diff changeset
472 autocov cquad gammai krylovb saveimage
89604fa96d2f Deprecate perror, strerror functions.
Rik <octave@nomad.inbox5.com>
parents: 12556
diff changeset
473 betai dispatch glpkmex perror strerror
11112
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
474
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
475 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
476 ---------------------------------------------------------
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
477
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
478 ** Compatibility with Matlab graphics has been improved.
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
479
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
480 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
481 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
482 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
483
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
484 x = 0:0.1:10;
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
485 y = sin (x);
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
486 plot (x, y, "ydatasource", "y");
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
487 for i = 1 : 100
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
488 pause(0.1)
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
489 y = sin (x + 0.1 * i);
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
490 refreshdata();
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
491 endfor
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
492
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
493 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
494 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
495 compatibility.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
496
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
497 ** New graphics functions:
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
498
11576
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
499 addlistener ezcontour gcbo refresh
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
500 addproperty ezcontourf ginput refreshdata
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
501 allchild ezmesh gtext specular
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
502 available_graphics_toolkits ezmeshc intwarning surfl
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
503 graphics_toolkit ezplot ishghandle trisurf
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
504 cla ezplot3 isocolors waitforbuttonpress
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
505 clabel ezpolar isonormals
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
506 comet ezsurf isosurface
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
507 dellistener findall linkprop
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
508 diffuse gcbf plotmatrix
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
509
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
510 ** New experimental OpenGL/FLTK based plotting system.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
511
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
512 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
513 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
514 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
515
11576
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
516 graphics_toolkit ("fltk")
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
517
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
518 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
519
11576
8ac9687dbe9f rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents: 11562
diff changeset
520 graphics_toolkit (h, "fltk")
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
521
11139
0dd95d1d57e6 update NEWS
John W. Eaton <jwe@octave.org>
parents: 11112
diff changeset
522 where "h" is a valid figure handle.
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
523
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
524 ** Functions providing direct access to gnuplot have been removed.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
525
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
526 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
527 __gnuplot_show__, __gnuplot_replot__, __gnuplot_splot__,
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
528 __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
529 removed from Octave. These function were incompatible with the
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
530 high level graphics handle code.
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
531
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
532 ** The Control, Finance and Quaternion functions have been removed.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
533
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
534 These functions are now available as separate packages from
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
535
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
536 http://octave.sourceforge.net/packages.html
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
537
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
538 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
539 the pkg function).
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
540
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
541 ** Specific sparse matrix functions removed.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
542
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
543 The following functions, which handled only sparse matrices have
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
544 been removed. Instead of calling these functions directly, you
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
545 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
546
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
547 spatan2 spcumsum spkron spprod
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
548 spchol spdet splchol spqr
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
549 spchol2inv spdiag splu spsum
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
550 spcholinv spfind spmax spsumsqk
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
551 spcumprod spinv spmin
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
552
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
553 ** Improvements to the debugger.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
554
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
555 The interactive debugging features have been improved. Stopping
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
556 on statements with dbstop should work correctly now. Stepping
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
557 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
558 (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
559 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
560 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
561 is available to exit the debugging mode.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
562
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
563 ** Improved traceback error messages.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
564
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
565 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
566 understand. They now display information about the function call
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
567 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
568 the point of the error.
8014
44d206ae68c9 improve fsolve compatibility
John W. Eaton <jwe@octave.org>
parents: 7990
diff changeset
569
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
570 ** Object Oriented Programming.
8405
d79dfbff2f9d document new norm features in NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 8396
diff changeset
571
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
572 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
573 class objects and overloaded functions and operators. For
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
574 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
575 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
576 versions of functions and operators take precedence over the
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
577 generic versions of these functions.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
578
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
579 New functions related to OOP include
7189
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
580
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
581 class inferiorto isobject loadobj methods superiorto
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
582
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
583 See the Octave manual for more details.
7038
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
584
8747
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
585 ** Parsing of Command-style Functions.
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
586
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
587 Octave now parses command-style functions without needing to first
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
588 declare them with "mark_as_command". The rules for recognizing a
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
589 command-style function calls are
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
590
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
591 * A command must appear as the first word in a statement,
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
592 followed by a space.
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
593
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
594 * The first character after the space must not be '=' or '('
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
595
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
596 * 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
597 operator.
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
598
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
599 These rules should be mostly compatible with the way Matlab parses
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
600 command-style function calls and allow users to define commands in
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
601 .m files without having to mark them as commands.
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
602
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
603 Note that previous versions of Octave allowed expressions like
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
604
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
605 x = load -text foo.dat
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
606
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
607 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
608 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
609 you must use the normal function call syntax:
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
610
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
611 x = load ("-text", "foo.dat");
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
612
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
613 ** Block comments.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
614
8747
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
615 Commented code can be between matching "#{" and "#}" or "%{" and
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
616 "%}" markers, even if the commented code spans several line. This
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
617 allows blocks code to be commented, without needing to comment
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
618 each line. For example,
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
619
8747
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
620 function [s, t] = func (x, y)
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
621 s = 2 * x;
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
622 #{
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
623 s *= y;
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
624 t = y + x;
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
625 #}
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
626 endfunction
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
627
8747
86cfcf133a19 NEWS update
John W. Eaton <jwe@octave.org>
parents: 8738
diff changeset
628 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
629
12400
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
630 ** 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
631 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
632
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
633 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
634 ...
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
635 # 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
636 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
637 ...
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
638 endfunction
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
639
5252f12537f8 don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents: 12224
diff changeset
640 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
641
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
642 ** 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
643
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
644 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
645 BLAS libraries are called with the transpose flagged,
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
646 significantly improving performance for these kinds of
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
647 operations.
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents: 8405
diff changeset
648
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
649 ** Single Precision data type.
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
650
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
651 Octave now includes a single precision data type. Single
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
652 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
653 from functions like ones, eye, etc. For example,
5995
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
654
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
655 single (1)
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
656 ones (2, 2, "single")
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
657 zeros (2, 2, "single")
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
658 eye (2, 2, "single")
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
659 Inf (2, 2, "single")
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
660 NaN (2, 2, "single")
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
661 NA (2, 2, "single")
7279
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
662
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
663 all create single precision variables. For compatibility with
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
664 Matlab, mixed double/single precision operators and functions
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
665 return single precision types.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
666
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
667 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
668 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
669 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
670 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
671
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
672 ** Improved array indexing.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
673
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
674 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
675 completely rewritten and indexing is now significantly faster.
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
676
8755
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
677 ** Improved memory management.
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
678
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
679 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
680 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
681 conversions between cells, structs and cs-lists. This usually reduces
8755
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
682 both time and memory consumption.
9128
c71fe7045aa0 small NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9110
diff changeset
683 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
684 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
685 the end of the vector.
8755
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
686
8738
c32e710407ee NEWS: another update
John W. Eaton <jwe@octave.org>
parents: 8737
diff changeset
687 ** Improved performance for reduction operations.
c32e710407ee NEWS: another update
John W. Eaton <jwe@octave.org>
parents: 8737
diff changeset
688
8755
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
689 The performance of the sum, prod, sumsq, cumsum, cumprod, any, all,
59c0fde890a0 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8749
diff changeset
690 max and min functions has been significantly improved.
8738
c32e710407ee NEWS: another update
John W. Eaton <jwe@octave.org>
parents: 8737
diff changeset
691
9006
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
692 ** Sorting and searching.
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
693
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
694 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
695 indices are requested. An efficient built-in issorted
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
696 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
697 efficient algorithm, especially in the homogeneous case. The lookup
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
698 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
699 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
700 cell arrays of strings.
9006
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
701
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
702 ** Range arithmetics
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
703
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
704 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
705 result as a range. These include negation, adding a scalar,
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
706 subtracting a scalar, and multiplying by a scalar. Ranges with zero
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
707 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
708 function `ones'.
9006
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
709
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
710 ** Various performance improvements.
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
711
10453
7d23c19249d6 NEWS: style fixes
John W. Eaton <jwe@octave.org>
parents: 10437
diff changeset
712 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
713 was improved, including:
9006
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
714
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
715 * logical operations
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
716 * comparison operators
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
717 * element-wise power
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
718 * accumarray
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
719 * cellfun
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
720 * isnan
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
721 * isinf
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
722 * isfinite
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
723 * nchoosek
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
724 * repmat
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
725 * strcmp
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
726
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
727 ** 64-bit integer arithmetic.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
728
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
729 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
730 supported, with saturation semantics like the other integer types.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
731 Performance of most integer arithmetic operations has been
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
732 improved by using integer arithmetic directly. Previously, Octave
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
733 performed integer math with saturation semantics by converting the
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
734 operands to double precision, performing the operation, and then
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
735 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
736 necessary.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
737
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
738 ** Diagonal and permutation matrices.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
739
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
740 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
741 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
742 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
743 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
744 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
745
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
746 ** Improvements to fsolve.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
747
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
748 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
749 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
750 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
751 Additionally, fsolve is now able to solve overdetermined systems,
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
752 complex-differentiable complex systems, systems with a sparse
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
753 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
754 inputs. It can also be called recursively.
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
755
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
756 ** Improvements to the norm function.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
757
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
758 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
759 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
760
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
761 ** New functions for computing some eigenvalues or singular values.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
762
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
763 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
764 functions require the ARPACK library (now distributed under a
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
765 GPL-compatible license).
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
766
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
767 ** 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
768
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
769 choldelete cholshift qrdelete qrshift
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
770 cholinsert cholupdate qrinsert qrupdate
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
771
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
772 ** New quadrature functions.
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
773
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
774 dblquad quadgk quadv triplequad
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
775
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
776 ** New functions for reading and writing images.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
777
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
778 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
779 These functions require the GraphicsMagick library. The new
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
780 function imfinfo provides information about an image file (size,
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
781 type, colors, etc.)
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
782
9215
1500d0197484 allow multiple input event hook functions to be installed simultaneously
John W. Eaton <jwe@octave.org>
parents: 9128
diff changeset
783 ** 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
784 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
785 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
786
8737
ae51dc447bab NEWS: update for release
John W. Eaton <jwe@octave.org>
parents: 8439
diff changeset
787 ** Other miscellaneous new functions.
8370
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
788
8932
2d0f8692a82e Add the 'histc' function
Soren Hauberg <hauberg@gmail.com>
parents: 8888
diff changeset
789 addtodate hypot reallog
2d0f8692a82e Add the 'histc' function
Soren Hauberg <hauberg@gmail.com>
parents: 8888
diff changeset
790 bicgstab idivide realpow
9006
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
791 cellslices info realsqrt
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
792 cgs interp1q rectint
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
793 command_line_path isdebugmode regexptranslate
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
794 contrast isfloat restoredefaultpath
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
795 convn isstrprop roundb
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
796 cummin log1p rundemos
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
797 cummax lsqnonneg runlength
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
798 datetick matlabroot saveobj
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
799 display namelengthmax spaugment
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
800 expm1 nargoutchk strchr
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
801 filemarker pathdef strvcat
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
802 fstat perl subspace
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
803 full prctile symvar
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
804 fzero quantile treelayout
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
805 genvarname re_read_readline_init_file validatestring
979d0492ff40 more NEWS updates
Jaroslav Hajek <highegg@gmail.com>
parents: 8932
diff changeset
806 histc
8370
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
807
8885
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
808 ** Changes to strcat.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
809
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
810 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
811 function, which removes trailing whitespace when concatenating
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
812 character strings. For example
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
813
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
814 strcat ('foo ', 'bar')
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
815 ==> 'foobar'
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
816
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
817 The new function cstrcat provides the previous behavior of
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
818 Octave's strcat.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
819
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
820 ** Improvements to the help functions.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
821
9034
52515efc50c0 Documentation cleanup on NEWS file
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
822 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
823 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
824 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
825 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
826 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
827 installed.
47fb59095191 more NEWS file edits
John W. Eaton <jwe@octave.org>
parents: 8858
diff changeset
828
8888
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
829 ** Deprecated functions.
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
830
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
831 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
832 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
833 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
834
11112
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
835 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
836 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
837 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
838 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
839 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
840 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
841 binomial_pdf intersection polyinteg
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
842 binomial_rnd is_bool setstr
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
843 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
844 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
845 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
846 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
847 clearplot is_square t_pdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
848 clg is_stream t_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
849 com2str is_struct uniform_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
850 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
851 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
852 exponential_pdf isstr uniform_rnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
853 exponential_rnd lognormal_cdf weibcdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
854 f_cdf lognormal_inv weibinv
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
855 f_inv lognormal_pdf weibpdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
856 f_pdf lognormal_rnd weibrnd
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
857 f_rnd meshdom weibull_cdf
8ea4cf59c41b list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents: 11111
diff changeset
858 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
859 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
860 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
861 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
862 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
863 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
864
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
865 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
866 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
867 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
868
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
869 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
870 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
871 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
872 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
873 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
874 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
875 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
876 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
877 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
878 spchol split
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
879 spchol2inv splu
0c7b0049c023 mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents: 8885
diff changeset
880
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
881 See NEWS.3 for old news.