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NEWS.8.md: add bugfixes that will show in 8.2.0 NEWS.8.md: Add bugfixes on the stable branch made after 8.1.0 was released.
author Arun Giridhar <arungiridhar@gmail.com>
date Thu, 23 Mar 2023 16:21:47 -0400
parents 0018557a53b2
children c735cce18c7a 6207fd009875
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1 Summary of bugs fixed for version 8.2.0 (yyyy-mm-dd):
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2 ----------------------------------------------------
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3
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4 For (bug #XXXXX) see https://savannah.gnu.org/bugs/?XXXXX
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5
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6 ### Improvements and fixes
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7
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8 ### GUI
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9
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10 ### Build system / Tests
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11
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12 ### Documentation
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13
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14
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15 Summary of important user-visible changes for version 8 (2023-03-07):
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16 --------------------------------------------------------------------
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17
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18 ### General improvements
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19
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20 - Octave's libraries are now built using symbol visibility by default.
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21 That means that fewer symbols are exported from these libraries.
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22 Configure with `--disable-lib-visibility-flags` to export all symbols
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23 (as in previous versions).
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24
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25 - `filter` is now 5X faster, which also speeds up `deconv`, `fftfilt`
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26 and `arma_rnd` by the same amount.
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27
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28 - `integral` can now output a second argument passing the error
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29 measurement used by the underlying integrator.
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30
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31 - `perms` now accepts a second argument "unique" to return only unique
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32 permutations for inputs with repeated elements. It is faster and
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33 takes less memory to call `perms ('aaaabbbbcccc', "unique")` than to
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34 call `unique (perms ('aaaabbbbcccc'), "rows")`.
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36 - `quadgk` can now accept the `ArrayValued` input parameter to handle
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37 array-valued input functions.
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38
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39 - `delaunayn` now has consistent trivial simplex checking and removal
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40 for all input dimensions, simplex checking 3D inputs is now
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41 vectorized, and >3D simplex checking performance has been improved.
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42 Simplexes points are now ordered so they will all have positive
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43 outward normal vectors. Input type checking has also been added for
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44 improved error handling.
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45
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46 - `factor` now factorizes all 64-bit integers in roughly the same time.
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47 Previously, the product of two large primes took much longer to factorize
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48 than highly composite inputs.
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49
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50 - `Refine` option is now implemented in functions `ode45`, `ode23`,
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51 and `ode23s`.
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52
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53 - Octave is now compatible with PCRE2 (UTF-8). PCRE2 is preferred over PCRE
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54 if both are installed. Configure with `--without-pcre2` if you prefer Octave
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55 to use PCRE in this case.
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56
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57 - `mean` now internally processes data as type double to reduce likelihood of
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58 hitting overflow or precision limits with other types (bug #63848).
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59
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60 ### Graphical User Interface
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61
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62 - The GUI has a dark style and several new icons in toolbars for better
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63 visibility and higher contrast.
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64
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65 - A new terminal widget has been added for the GUI. It is still experimental
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66 and is disabled by default. It can be enabled with the command line
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67 parameter `--experimental-terminal-widget`.
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68
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69 - More fonts for the documentation browser are included.
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70
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71 ### Graphics backend
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72
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73 - When printing, the option `-svgconvert` is now the default. If you want to
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74 use the more limited EPS-based tool chain (the former default)&mdash;e.g., if
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75 you encounter inaccurate image rendering&mdash;you can pass the `-nosvgconvert`
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76 option to the `print` function.
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77
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78 - Additional properties have been added to the `figure` graphics object:
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79 * `"innerposition"` (equivalent to `"position"`)
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80 * `"windowstate"` (not yet implemented)
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81
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82 - Legend now features a new property `"itemhitfcn"`, allowing the
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83 execution of a callback function when a legend item is clicked.
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84
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85 ### Matlab compatibility
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86
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87 - `inline` functions now support all Matlab methods. The performance
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88 of `inline` functions has also been improved.
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89
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90 - `sub2ind` now supports index values outside of the size specified by
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91 the subscripts.
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92
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93 - `cylinder` now accepts a scalar for the radius argument.
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94
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95 - `clock` now has an optional second output `ISDST` which indicates if
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96 Daylight Savings Time is in effect for the system's time zone.
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98 - `print` now accepts option `-image` to specify the "opengl" renderer
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99 and `-vector` to specify the "painters" renderer.
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100
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101 - `format` now accepts the option "default", which is equivalent to
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102 calling `format` without any options to reset the default state.
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103
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104 - `quadgk` now stops iterating when `error <= tolerance` while the previous
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105 condition was `error < tolerance`.
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106
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107 - `mean` now accepts vector dimensions and options to handle `NaN` values.
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108 The option `"a"` (arithmetic mean), `"g"` (geometric mean), and `"h"`
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109 (harmonic mean) are no longer accepted, only the arithmetic mean is computed.
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110 For the geometric and harmonic mean, please use respective functions
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111 `geomean` and `harmmean` from the Octave Statistics package.
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112
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113 - `var` and `std` now optionally output a second argument containing the mean
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114 or weighted mean.
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115
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116 - `integral` can now accept the 'ArrayValued' option in combination with
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117 'RelTol' and 'WayPoints'.
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118
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119 - File system operations that remove files (e.g., `unlink` or `rmdir`) now also
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120 remove files that have their read-only file attribute set on Windows.
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122 - The default state for certain graphics properties has been made
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123 consistent with Matlab.
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124
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125 Object | Property | Default State
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126 ------------|------------------|------------
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127 figure | "dockcontrols" | "on"
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128
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129 - `ode45`, `ode23`, and `ode23s` have improved results for options `Events`,
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130 `OutputFcn`, and `Refine`, along with corrected orientation of struct
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131 outputs.
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132
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133 - *Early notice of future breaking changes*: Due to many user requests that
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134 Octave should have a Matlab-compatible string class, there is work under way
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135 to implement a string class that will differ from a vector of characters. In
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136 Octave, single-quoted character arrays are currently compatible with Matlab,
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137 but double-quoted forms are not. Currently in Octave, both 'foo' and "foo"
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138 are largely interchangeable, barring certain escape sequence interpretations
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139 such as "\n" (converted to a single newline character) as opposed to '\n'
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140 (two separate characters). Matlab’s single-quoted character arrays and
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141 double-quoted strings do not process backslash escape sequences, unlike many
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142 other languages, and those escape sequences are instead processed by
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143 individual functions such as `fprintf`.
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144
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145 Octave's behavior is likely to change in future as a consequence of
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146 implementing Matlab-style string syntax. For example, 'foo' will remain a
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147 three-element character vector, but "foo" will become a single-element string
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148 object. Some backslash escape sequences are likely to differ from their
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149 current Octave behavior, but will achieve greater Matlab compatibility. The
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150 exact implementation is a work in progress, and may or may not include
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151 methods of preserving backward compatibility.
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152
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153 *What this means for user code*: If your code currently relies on
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154 double-quoted strings (e.g., "foo") representing character vectors as
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155 opposed to string objects, and if you intend to update to a future version of
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156 Octave incorporating the above changes, then consider replacing all
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157 double-quoted strings with single-quoted strings in your code over time
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158 (e.g., replace "foo" with 'foo'). Single-quoted strings are expected to
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159 retain current behavior. Further, if your code relies on backslash escape
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160 sequence interpretation in double-quoted strings (except for special cases
31710
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John W. Eaton <jwe@octave.org>
parents: 31672
diff changeset
161 like the `printf` family), that code may need to change as well.
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162
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163 ### Alphabetical list of new functions added in Octave 8
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164
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Guillaume Flandin <guillaume.offline@gmail.com>
parents: 31240
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165 * `clearAllMemoizedCaches`
a887ffb997a7 New function memoize to optimize repetitive function calls (bug #60860).
Guillaume Flandin <guillaume.offline@gmail.com>
parents: 31240
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166 * `matlab.lang.MemoizedFunction`
a887ffb997a7 New function memoize to optimize repetitive function calls (bug #60860).
Guillaume Flandin <guillaume.offline@gmail.com>
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167 * `memoize`
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Nicholas R. Jankowski <jankowski.nicholas@gmail.com>
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168 * `normalize`
31140
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169 * `pagectranspose`
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170 * `pagetranspose`
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171 * `uifigure`
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172
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173 ### Deprecated functions, properties, and operators
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174
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175 The following functions and properties have been deprecated in Octave 8
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176 and will be removed from Octave 10 (or whatever version is the second
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177 major release after 8):
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178
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179 - Functions
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180
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181 Function | Replacement
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182 -----------------------|------------------
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183 shift | circshift
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184 sparse_auto_mutate | none (see below)
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185
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186 - The `sparse_auto_mutate` function no longer has any effect on Octave's
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187 behavior. Previously, after calling `sparse_auto_mutate (true)`,
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Rik <rik@octave.org>
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188 Octave would automatically convert sparse matrices to full when a
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Rik <rik@octave.org>
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189 sparse matrix required more memory than simply using full matrix
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190 storage. This setting was `false` by default for compatibility with
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191 Matlab. Now you must manually convert to full storage when desired.
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192
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193 - Properties
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194
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Rik <rik@octave.org>
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195 The following property names are discouraged, but there is no fixed
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196 date for their removal.
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197
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198 Object | Property | Replacement
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199 -----------------|-------------|------------
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200 uimenu | label | text
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201 uimenu | callback | menuselectedfcn
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202
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203 The following functions were deprecated in Octave 6 and have been removed
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204 from Octave 8.
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205
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206 - Functions
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207
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208 Function | Replacement
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209 -------------|------------
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210 runtests | oruntests
30458
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211
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212 - The environment variable used by `mkoctfile` for linker flags is now
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213 `LDFLAGS` rather than `LFLAGS`. `LFLAGS` was deprecated in Octave 6,
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214 and will be removed in a future version of Octave.
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215
31921
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Arun Giridhar <arungiridhar@gmail.com>
parents: 31905
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216 Summary of bugs fixed for version 8.2.0 (2023-??-??):
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Arun Giridhar <arungiridhar@gmail.com>
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217 ----------------------------------------------------
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Arun Giridhar <arungiridhar@gmail.com>
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218
9ddaea221f66 NEWS.8.md: add bugfixes that will show in 8.2.0
Arun Giridhar <arungiridhar@gmail.com>
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219 - Loading and saving preferences dialog now faster (bug #63909).
9ddaea221f66 NEWS.8.md: add bugfixes that will show in 8.2.0
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parents: 31905
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220 - The `&` and `|` operators now work correctly in if-statements (bug #63835).
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221 - `mpoles` now handles poles at zero correctly, and the function has been
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Arun Giridhar <arungiridhar@gmail.com>
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222 overhauled. (bug #63937).
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Arun Giridhar <arungiridhar@gmail.com>
parents: 31905
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223 - `format native-bit` now consistent with `format native-hex` (bug #63940).
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Arun Giridhar <arungiridhar@gmail.com>
parents: 31905
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224
31766
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John W. Eaton <jwe@octave.org>
parents: 31710
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225 Summary of bugs fixed for version 8.1.0 (2023-01-22):
31519
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Arun Giridhar <arungiridhar@gmail.com>
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226 ----------------------------------------------------
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227
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228 - Improved input validation and/or output handling for `poly`, `pinv`, `patch`,
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Arun Giridhar <arungiridhar@gmail.com>
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229 `fill`, `fill3`, `qp`, `datevec`, `textscan`, `sub2ind`, `qr`, `airy`,
31525
24ca5cb70a4a mean.m: improve error handling for dim input (bug #63410)
Nicholas R. Jankowski <jankowski.nicholas@gmail.com>
parents: 31521
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230 `regexp`, `dec2bin`, `dec2hex`, `mean`, and many others.
31519
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231 - Improved performance for `complex`, `fftw`, `delaunayn`, `isfield`, `tsearch`,
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Arun Giridhar <arungiridhar@gmail.com>
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232 sparse matrix exponentiation, other sparse operations, and many others.
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233 - Overhauled `@audiorecorder` and `@audioplayer` classes.
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234
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235 ### Old release news
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236
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237 - [Octave 7.x](etc/NEWS.7)
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238 - [Octave 6.x](etc/NEWS.6)
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239 - [Octave 5.x](etc/NEWS.5)
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240 - [Octave 4.x](etc/NEWS.4)
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241 - [Octave 3.x](etc/NEWS.3)
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242 - [Octave 2.x](etc/NEWS.2)
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243 - [Octave 1.x](etc/NEWS.1)