Mercurial > octave-nkf
annotate NEWS @ 19292:a4e993343e93
Overhaul the archive family (bzip2, gzip, zip, tar) of m-files.
* NEWS: Announce changes to archive family of functions.
* bunzip2.m: Redo docstring. Use common variable names between docstring and
function. Remove file from test statistics. Default to placing uncompressed
files in same directory as the compressed one.
* bzip2.m: Redo docstring. Use common variable names between docstring and
function. Add extensive BIST test.
* gunzip.m: Redo docstring. Use common variable names between docstring and
function. Remove file from test statistics. Default to placing uncompressed
files in same directory as the compressed one.
* gzip.m: Redo docstring. Remove input validation test that is no longer
applicable.
* __xzip__.m: Create output directory if it is named, but does not yet exist.
Check return code of mkdir and issue an error if it is unsuccesful. Use the
caller's name (gzip or bzip2) in error messages. Rename subfunction myfileparts
to fname_only for slightly more clarity. Add FIXME note that compression of
directories does not work.
* tar.m: Redo docstring. Use common variable names between docstring and
function. Add extensive BIST test.
* untar.m: Redo docstring. Use common variable names between docstring and
function. Remove file from test statistics. Default to placing uncompressed
files in same directory as the compressed one.
* unzip.m: Redo docstring. Use common variable names between docstring and
function. Remove file from test statistics. Default to placing uncompressed
files in same directory as the zip archive.
* zip.m: Redo docstring. Use common variable names between docstring and
function. Add extensive BIST test.
author | Rik <rik@octave.org> |
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date | Fri, 17 Oct 2014 10:45:25 -0700 |
parents | ba7e42dea4b2 |
children | e5a1e7951908 |
rev | line source |
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1 Summary of important user-visible changes for version 4.2: |
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2 --------------------------------------------------------- |
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3 |
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4 ** A new syntax for object oriented programming termed classdef has been |
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5 introduced. See the manual for more extensive documentation of the |
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6 classdef interface. |
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8 New keywords: |
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9 |
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10 classdef endclassdef |
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11 enumeration endenumeration |
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12 events endevents |
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13 methods endmethods |
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14 properties endproperties |
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15 |
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16 ** New classes in Octave 4.2: |
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17 |
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18 inputParser |
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19 |
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20 ** Interpolation function changes for Matlab compatibility |
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21 |
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22 The interpolation method 'cubic' is now equivalent to 'pchip' |
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23 for interp1, interp2, and interp3. Previously, 'cubic' was equivalent |
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24 to 'spline' for interp2. This may produce different results as 'spline' |
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25 has continuous 1st and 2nd derivatives while 'pchip' only has a continuous |
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26 1st derivative. |
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27 |
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28 ** The delaunay function has been extended to accept 3-D inputs for |
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29 Matlab compatibility. The delaunay function no longer plots the |
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30 triangulation if no output argument is requested, instead, the |
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31 triangulation is always returned. The delaunay3 function which |
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32 handles 3-D inputs has been deprecated in favor of delaunay. |
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33 |
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34 ** The trigonometric functions asin and acos return different phase values |
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35 from previous versions of Octave when the input is outside the principal |
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36 branch ([-1, 1]). If the real portion of the input is greater than 1 then |
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37 the limit from below is taken. If the real portion is less than 1 then the |
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38 limit from above is taken. This criteria is consistent with several other |
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39 numerical analysis software packages. |
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40 |
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41 ** Integer formats used in the printf family of functions now work for |
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42 64-bit integers and are more compatible with Matlab when printing |
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43 non-integer values. Now instead of truncating, Octave will switch |
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44 the effective format to '%g' in the following circumstances: |
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45 |
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46 * the value of an integer type (int8, uint32, etc.) value exceeds |
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47 the maximum for the format specifier. For '%d', the limit is |
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48 intmax ('int64') and for '%u' it is intmax ('uint64'). |
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49 |
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50 * round(x) != x or the value is outside the range allowed by the |
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51 integer format specifier. |
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52 |
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53 There is still one difference: Matlab switches to '%e' and Octave |
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54 is currently switching to '%g'. |
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55 |
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56 ** The archive family of functions (bzip2, gzip, zip, tar) and their |
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57 unpacking routines (bunzip2, gunzip, unzip, untar, unpack) have |
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58 been recoded. Excepting unpack, the default is now to place files |
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59 in the same directory as the archive (on unpack) or as the original |
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60 files (on archiving). |
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61 |
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62 ** Z-order stacking issues with patches, grid lines, and line object |
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63 plot markers for on screen display and printing have all been resolved. |
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64 For 2-D plots the axis grid lines can be placed on top of the plot |
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65 with set (gca, "layer", "top"). |
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66 |
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67 ** The patch graphic object has been overhauled. It now produces visual |
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68 results equivalent to Matlab even for esoteric combinations of |
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69 faces/vertices/cdata. |
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70 |
19115 | 71 ** The polar() plot function now draws a circular theta axis and |
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72 radial rho axis rather than using a rectangular x/y axis. |
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73 |
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74 ** linkprop has been completely re-coded for performance and Matlab |
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75 compatibility. It now returns a linkprop object which must be stored |
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76 in a variable for as long as the graphic objects should remain linked. |
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77 To unlink properties use 'clear hlink' where hlink is the variable |
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78 containing the linkprop object. |
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79 |
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80 ** isprime has been extended to operate on negative and complex inputs. |
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81 |
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82 ** xor has been extended to accept more than two arguments in which case |
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83 it performs cumulative XOR reduction. |
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84 |
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85 ** The following functions now support N-dimensional arrays: |
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86 |
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87 fliplr flipud rot90 |
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88 |
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89 ** The new warning ID "Octave:data-file-in-path" replaces the three |
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90 previous separate warning IDs "Octave:fopen-file-in-path", |
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91 "Octave:load-file-in-path", and "Octave:md5sum-file-in-path". |
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92 |
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93 ** Other new functions added in 4.2: |
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94 |
19115 | 95 bandwidth |
96 dir_in_loadpath | |
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97 flip |
19115 | 98 hgload |
99 hgsave | |
100 ichol | |
101 ilu | |
102 isbanded | |
103 isdiag | |
104 istril | |
105 istriu | |
106 javachk | |
107 linkaxes | |
108 lscov | |
109 numfields | |
110 rotate | |
111 sylvester | |
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112 unsetenv |
19123 | 113 zoom |
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114 |
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115 ** inline() scheduled for eventual deprecation by Matlab |
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116 |
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117 Functions created through the use of inline are scheduled for deprecation |
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118 by Matlab. When this occurs Octave will continue to support inline |
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119 functions for an indeterminate amount of time before also removing support. |
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120 All new code should use anonymous functions in place of inline functions. |
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121 |
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122 ** Deprecated functions. |
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123 |
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124 The following functions have been deprecated in Octave 4.2 and will |
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125 be removed from Octave 4.6 (or whatever version is the second major |
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126 release after 4.2): |
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127 |
19145 | 128 Function | Replacement |
129 -------------------|------------------ | |
130 bicubic | interp2 | |
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131 delaunay3 | delaunay |
19230 | 132 dump_prefs | individual preference get/set routines |
19145 | 133 find_dir_in_path | dir_in_loadpath |
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134 finite | isfinite |
19152 | 135 fmod | rem |
19153 | 136 fnmatch | glob or regexp |
19182 | 137 luinc | ilu or ichol |
19145 | 138 nfields | numfields |
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139 syl | sylvester |
19145 | 140 usage | print_usage |
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141 |
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142 The following functions were deprecated in Octave 3.8 and have been |
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143 removed from Octave 4.2. |
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144 |
19115 | 145 default_save_options java_new |
146 gen_doc_cache java_unsigned_conversion | |
147 interp1q javafields | |
148 isequalwithequalnans javamethods | |
18945 | 149 java_convert_matrix re_read_readline_init_file |
19115 | 150 java_debug read_readline_init_file |
151 java_invoke saving_history | |
152 | |
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153 The following keywords were deprecated in Octave 3.8 and have been |
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154 removed from Octave 4.2 |
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155 |
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156 static |
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157 |
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158 The following configuration variables were deprecated in Octave 3.8 |
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159 and have been removed from Octave 4.2 |
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160 |
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161 CC_VERSION (now GCC_VERSION) |
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162 CXX_VERSION (now GXX_VERSION) |
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163 |
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164 The internal class <Octave_map> was deprecated in Octave 3.8 and has |
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165 been removed from Octave 4.2. Replacement classes are |
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166 <octave_map> (struct array) or <octave_scalar_map> for a single structure. |
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167 |
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168 Summary of important user-visible changes for version 4.0: |
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169 --------------------------------------------------------- |
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170 |
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171 ** For compatibility with Matlab, the "backtrace" warning option is now |
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172 enabled by default. |
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173 |
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174 ** The preference |
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175 |
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176 do_braindead_shortcircuit_evaluation |
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177 |
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178 is now enabled by default. |
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179 |
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180 ** The preference |
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181 |
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182 allow_noninteger_range_as_index |
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183 |
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184 is now enabled by default and the warning ID |
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185 |
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186 Octave:noninteger-range-as-index |
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187 |
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188 is now set to "on" by default instead of "error" by default and "on" |
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189 for --traditional. |
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190 |
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191 ** polyeig now returns a row vector of eigenvalues rather than a matrix |
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192 with the eigenvalues on the diagonal. This change was made for Matlab |
14082 | 193 compatibility. |
194 | |
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195 ** Other new functions added in 4.0.0: |
13262 | 196 |
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197 validateattributes |
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198 |
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199 ** Deprecated functions. |
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200 |
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201 The following functions were deprecated in Octave 3.6 and have been |
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202 removed from Octave 4.0. |
19115 | 203 |
204 cut polyderiv | |
205 cor shell_cmd | |
206 corrcoef studentize | |
207 __error_text__ sylvester_matrix | |
208 error_text | |
12709 | 209 |
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210 The following functions have been deprecated in Octave 4.0 and will |
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211 be removed from Octave 4.4 (or whatever version is the second major |
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212 release after 4.0): |
12709 | 213 |
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214 allow_noninteger_range_as_index |
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215 do_braindead_shortcircuit_evaluation |
19115 | 216 |
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217 The internal function atan2 of the sparse matrix class has been deprecated |
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218 in Octave 4.0 and will be removed from Octave 4.4 (or whatever version is |
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219 the second major release after 4.0). Use the Fatan2 function with sparse |
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220 inputs as a replacement. |
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221 |
9352 | 222 --------------------------------------------------------- |
223 | |
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224 See NEWS.3 for old news. |