annotate NEWS @ 8710:739141cde75a ss-3-1-52

fix typo in Array-f.cc
author Jaroslav Hajek <highegg@gmail.com>
date Mon, 09 Feb 2009 21:51:31 +0100
parents a6b4d8fdbea1
children ae51dc447bab
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
1 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
2 ---------------------------------------------------------
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
3
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
4 ** Compatibility with Matlab graphics is much better now.
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
5
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
6 The hggroup object and associated listener callback functions have
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
7 been added allowing the inclusion of group objects. Data sources
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
8 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
9
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
10 x = 0:0.1:10;
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
11 y = sin (x);
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
12 plot (x, y, "ydatasource", "y");
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
13 for i = 1 : 100
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
14 pause(0.1)
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
15 y = sin (x + 0.1 * i);
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
16 refreshdata();
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
17 endfor
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
18
8225
53202d60086f Minor update to the NEWS file
David Bateman <dbateman@free.fr>
parents: 8070
diff changeset
19 works as expected. This capability has be used to introduce stem-series,
53202d60086f Minor update to the NEWS file
David Bateman <dbateman@free.fr>
parents: 8070
diff changeset
20 bar-series, etc objects for better Matlab compatibility.
8070
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
21
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
22 ** Experimental OpenGL/FLTK based backend to replace gnuplot
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
23
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
24 An experimental backend to replace the gnuplot backend has been
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
25 written based on FLTK. This backend is off by default. You can
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
26 switch to using this with the command
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
27
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
28 backend ("fltk")
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
29
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
30 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
31
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
32 backend (h, "fltk")
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
33
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
34 where "h" is a valid figure handle.
3b53b25e2550 Add data sources and line series
David Bateman <dbateman@free.fr>
parents: 8014
diff changeset
35
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
36 ** Eliminate the functions for direct access to gnuplot from Octave.
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
37 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
38 __gnuplot_show__, __gnuplot_replot__, __gnuplot_splot__,
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
39 __gnuplot_save_data__ and __gnuplot_send_inline_data__ have been
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
40 removed from Octave. These function were incompatible with the high
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
41 level graphics handle code.
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
42
8014
44d206ae68c9 improve fsolve compatibility
John W. Eaton <jwe@octave.org>
parents: 7990
diff changeset
43 ** The fsolve function now accepts an option structure argument (see
44d206ae68c9 improve fsolve compatibility
John W. Eaton <jwe@octave.org>
parents: 7990
diff changeset
44 also the optimset function).
44d206ae68c9 improve fsolve compatibility
John W. Eaton <jwe@octave.org>
parents: 7990
diff changeset
45 The INFO values returned from fsolve have changed to be compatible
44d206ae68c9 improve fsolve compatibility
John W. Eaton <jwe@octave.org>
parents: 7990
diff changeset
46 with Matlab's fsolve function.
8396
b65c75203cef new feature in NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 8370
diff changeset
47 Additionally, fsolve is now able to solve overdetermined systems.
8014
44d206ae68c9 improve fsolve compatibility
John W. Eaton <jwe@octave.org>
parents: 7990
diff changeset
48
8405
d79dfbff2f9d document new norm features in NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 8396
diff changeset
49 ** The norm function is now able to compute row or column norms of a matrix
d79dfbff2f9d document new norm features in NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 8396
diff changeset
50 in a single call, as well as general matrix p-norms.
d79dfbff2f9d document new norm features in NEWS
Jaroslav Hajek <highegg@gmail.com>
parents: 8396
diff changeset
51
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
52 ** Object Oriented Programming
7189
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
53
8225
53202d60086f Minor update to the NEWS file
David Bateman <dbateman@free.fr>
parents: 8070
diff changeset
54 Octave now includes OOP features and the user can create their
53202d60086f Minor update to the NEWS file
David Bateman <dbateman@free.fr>
parents: 8070
diff changeset
55 own class objects and overloaded functions and operators. For
53202d60086f Minor update to the NEWS file
David Bateman <dbateman@free.fr>
parents: 8070
diff changeset
56 example, all methods of a class called "myclass" will be found in
53202d60086f Minor update to the NEWS file
David Bateman <dbateman@free.fr>
parents: 8070
diff changeset
57 a directory "@myclass" on the users path. The class specific versions
53202d60086f Minor update to the NEWS file
David Bateman <dbateman@free.fr>
parents: 8070
diff changeset
58 of functions and operators take precedence over the generic versions
53202d60086f Minor update to the NEWS file
David Bateman <dbateman@free.fr>
parents: 8070
diff changeset
59 of these functions. See the Octave manual for more details.
7038
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
60
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
61 ** Block comments
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
62 Commented code can be between matching "%{" and "%}" markers, even
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
63 if the commented code spans several line. This allows blocks code
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
64 to be commented, without needing to comment each line. For
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
65 example,
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
66
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
67 function y = func (x)
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
68 y = 2 * x;
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
69 %{
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
70 y += 1;
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
71 %}
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
72 endfunction
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
73
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
74 the line "y += 1;" will not be executed.
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
75
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
76 ** Removed the Control, Finance and Quaternions toolboxes
8439
a6b4d8fdbea1 Trivial doc fix
David Bateman <dbateman@free.fr>
parents: 8417
diff changeset
77 These toolboxes have been removed and ported to octave-forge, as
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
78 they are specialized toolboxes that not all users need. These
8439
a6b4d8fdbea1 Trivial doc fix
David Bateman <dbateman@free.fr>
parents: 8417
diff changeset
79 functions can be reinstalled using the Octave package manager (see
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
80 the pkg function) and the packages available at
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
81
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
82 http://octave.sourceforge.net/packages.html
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
83
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
84 ** The imwrite and imread function have been included in Octave based
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
85 on the GraphicsMagick library.
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
86
8417
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents: 8405
diff changeset
87 ** The eigs and svds functions have been included in Octave based on
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents: 8405
diff changeset
88 the ARPACK library.
654bcfb937bf Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents: 8405
diff changeset
89
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
90 ** Special treatment in the parser of expressions like "a' * b". In
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
91 these cases the transpose is no longer explicitly formed and BLAS
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
92 libraries are called with the transpose flagged. This significantly
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
93 improves the speed.
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
94
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
95 ** Single Precision data type
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
96 Octave now includes a single precision data type. Single precision
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
97 variables can be created with the "single" command, or from
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
98 function like ones, etc. For example
5995
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
99
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
100 single (1)
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
101 ones (2, 2, "single")
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
102 zeros (2, 2, "single")
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
103 eye (2, 2, "single")
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
104 Inf (2, 2, "single")
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
105 NaN (2, 2, "single")
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
106 NA (2, 2, "single")
7279
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
107
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
108 all create single precision variables. Mixed double/single
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
109 precision operators and functions return single precision
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
110 types. As a consequence of this addition to Octave the internal
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
111 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
112 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
113 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
114
8292
242756f065f0 Minor NEWS/FAQ update
David Bateman <dbateman@free.fr>
parents: 8225
diff changeset
115 ** Improved array indexing
242756f065f0 Minor NEWS/FAQ update
David Bateman <dbateman@free.fr>
parents: 8225
diff changeset
116 The underlying code used for indexing of arrays has been completely
242756f065f0 Minor NEWS/FAQ update
David Bateman <dbateman@free.fr>
parents: 8225
diff changeset
117 rewritten and so the indexing of arrays is now significantly faster.
242756f065f0 Minor NEWS/FAQ update
David Bateman <dbateman@free.fr>
parents: 8225
diff changeset
118
8370
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
119 ** 64-bit integer arithmetic
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
120 Arithmetic with 64-bit integers (int64 and uint64 types) is fully supported,
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
121 with saturation semantics like the other integer types. Most of the integer
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
122 arithmetic operations was rewritten to exploit integer arithmetic in the CPU
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
123 efficiently. As a result, performance was significantly improved.
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
124
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
125 ** Diagonal and permutation matrices
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
126 The interpreter can now treat diagonal and permutation matrices as special
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
127 objects, rather than general full matrices. Therefore, it is now possible
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
128 to construct & use these matrices in linear algebra without suffering a
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
129 performance penalty.
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
130
34960ba08a81 document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents: 8292
diff changeset
131
7990
86dae6e5b83c Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents: 7279
diff changeset
132 See NEWS.3 for old news.