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Add new matrix functions (isdiag, isbanded, istril, istriu) (bug #42688). * NEWS: Announce new functions. * scripts/linear-algebra/module.mk: Add new functions to build system. * scripts/linear-algebra/isdiag.m: New function. * scripts/linear-algebra/isbanded.m: New function. * scripts/linear-algebra/istril.m: New function. * scripts/linear-algebra/istriu.m: New function. * numbers.txi: Add new functions to manual.
author Massimiliano Fasi <massimiliano.fasi@gmail.com>
date Sat, 05 Jul 2014 10:09:56 +0200
parents 7c6ee4bd7719
children 9addb5ad9426
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18109
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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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7
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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 ** Interpolation function changes for Matlab compatibility
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17
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18 The interpolation method 'cubic' is now equivalent to 'pchip'
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19 for interp1, interp2, and interp3. Previously, 'cubic' was equivalent
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20 to 'spline' for interp2. This may produce different results as 'spline'
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21 has continuous 1st and 2nd derivatives while 'pchip' only has a continuous
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22 1st derivative.
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23
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24 ** Integer formats used in the printf family of functions now work for
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25 64-bit integers and are more compatible with Matlab when printing
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26 non-integer values. Now instead of truncating, Octave will switch
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27 the effective format to '%g' in the following circumstances:
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28
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29 * the value of an integer type (int8, uint32, etc.) value exceeds
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30 the maximum for the format specifier. For '%d', the limit is
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31 intmax ('int64') and for '%u' it is intmax ('uint64').
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32
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33 * round(x) != x or the value is outside the range allowed by the
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34 integer format specifier.
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35
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36 There is still one difference: Matlab switches to '%e' and Octave
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37 is currently switching to '%g'.
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38
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39 ** Z-order stacking issues with patches, grid lines, and line object
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40 plot markers for on screen display and printing have all been resolved.
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41 For 2-D plots the axis grid lines can be placed on top of the plot
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42 with set (gca, "layer", "top").
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43
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44 ** The patch graphic object has been overhauled. It now produces visual
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45 results equivalent to Matlab even for esoteric combinations of
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46 faces/vertices/cdata.
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47
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48 ** The polar() plot function now draws a circular theta axis and
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49 radial rho axis rather than using a rectangular x/y axis.
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50
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51 ** linkprop has been completely re-coded for performance and Matlab
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52 compatibility. It now returns a linkprop object which must be stored
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53 in a variable for as long as the graphic objects should remain linked.
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54 To unlink properties use 'clear hlink' where hlink is the variable
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55 containing the linkprop object.
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56
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57 ** Other new functions added in 4.2:
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59 dir_in_loadpath javachk
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60 hgload linkaxes
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61 hgsave numfields
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62 istril
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63 istriu
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64 isdiag
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65 isbanded
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66
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67 ** Deprecated functions.
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68
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69 The following functions have been deprecated in Octave 4.2 and will
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70 be removed from Octave 4.6 (or whatever version is the second major
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71 release after 4.2):
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72
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73 bicubic
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74 find_dir_in_path
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75 nfields
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76
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77 The following functions were deprecated in Octave 3.8 and have been
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78 removed from Octave 4.2.
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79
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80 default_save_options java_new
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81 gen_doc_cache java_set
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82 interp1q java_unsigned_conversion
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83 isequalwithequalnans javafields
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84 java_convert_matrix javamethods
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85 java_debug re_read_readline_init_file
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86 java_get read_readline_init_file
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87 java_invoke saving_history
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88
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89 The following keywords were deprecated in Octave 3.8 and have been
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90 removed from Octave 4.2
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91
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92 static
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93
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94 The following configuration variables were deprecated in Octave 3.8
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95 and have been removed from Octave 4.2
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96
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97 CC_VERSION (now GCC_VERSION)
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98 CXX_VERSION (now GXX_VERSION)
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99
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100 The internal class <Octave_map> was deprecated in Octave 3.8 and has
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101 been removed from Octave 4.2. Replacement classes are
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102 <octave_map> (struct array) or <octave_scalar_map> for a single structure.
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103
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104 Summary of important user-visible changes for version 4.0:
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105 ---------------------------------------------------------
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106
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107 ** For compatibility with Matlab, the "backtrace" warning option is now
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108 enabled by default.
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109
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110 ** The preference
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111
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112 do_braindead_shortcircuit_evaluation
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113
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114 is now enabled by default.
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115
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116 ** The preference
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117
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118 allow_noninteger_range_as_index
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119
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120 is now enabled by default and the warning ID
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121
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122 Octave:noninteger-range-as-index
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123
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124 is now set to "on" by default instead of "error" by default and "on"
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125 for --traditional.
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126
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127 ** polyeig now returns a row vector of eigenvalues rather than a matrix
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128 with the eigenvalues on the diagonal. This change was made for Matlab
f57148641869 polyeig.m: Overhaul function for Matlab compatibility (bug #41865).
Rik <rik@octave.org>
parents: 18129
diff changeset
129 compatibility.
f57148641869 polyeig.m: Overhaul function for Matlab compatibility (bug #41865).
Rik <rik@octave.org>
parents: 18129
diff changeset
130
18038
c404cec84eb4 New function validaattributes to perform input checking for functions.
Carnë Draug <carandraug@octave.org>
parents: 18035
diff changeset
131 ** Other new functions added in 4.0.0:
c404cec84eb4 New function validaattributes to perform input checking for functions.
Carnë Draug <carandraug@octave.org>
parents: 18035
diff changeset
132
18109
2217bc116aa9 maint: Dummy merge with gui-release, ignoring all recent backout merges
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 18107
diff changeset
133 validateattributes
18038
c404cec84eb4 New function validaattributes to perform input checking for functions.
Carnë Draug <carandraug@octave.org>
parents: 18035
diff changeset
134
18049
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
135 ** Deprecated functions.
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
136
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
137 The following functions were deprecated in Octave 3.6 and have been
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
138 removed from Octave 4.0.
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
139
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
140 cut polyderiv
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
141 cor shell_cmd
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
142 corrcoef studentize
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
143 __error_text__ sylvester_matrix
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
144 error_text
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
145
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
146 The following functions have been deprecated in Octave 4.0 and will
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
147 be removed from Octave 4.4 (or whatever version is the second major
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
148 release after 4.0):
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
149
18129
e473c4853afc enable non-integer ranges as indices by default and deprecate preference
John W. Eaton <jwe@octave.org>
parents: 18127
diff changeset
150 allow_noninteger_range_as_index
18126
d76f790b4eec enable do_braindead_shortcircuit_evaluation by default and deprecate
John W. Eaton <jwe@octave.org>
parents: 18107
diff changeset
151 do_braindead_shortcircuit_evaluation
18980
99d63a2e221b Mark internal sparse matrix implementation of atan2 as deprecated.
Rik <rik@octave.org>
parents: 18657
diff changeset
152
99d63a2e221b Mark internal sparse matrix implementation of atan2 as deprecated.
Rik <rik@octave.org>
parents: 18657
diff changeset
153 The internal function atan2 of the sparse matrix class has been deprecated
99d63a2e221b Mark internal sparse matrix implementation of atan2 as deprecated.
Rik <rik@octave.org>
parents: 18657
diff changeset
154 in Octave 4.0 and will be removed from Octave 4.4 (or whatever version is
99d63a2e221b Mark internal sparse matrix implementation of atan2 as deprecated.
Rik <rik@octave.org>
parents: 18657
diff changeset
155 the second major release after 4.0). Use the Fatan2 function with sparse
99d63a2e221b Mark internal sparse matrix implementation of atan2 as deprecated.
Rik <rik@octave.org>
parents: 18657
diff changeset
156 inputs as a replacement.
18049
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
157
9352
b59cc3252a51 NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9215
diff changeset
158 ---------------------------------------------------------
b59cc3252a51 NEWS update
Jaroslav Hajek <highegg@gmail.com>
parents: 9215
diff changeset
159
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
160 See NEWS.3 for old news.