annotate NEWS @ 2800:9aeba8e006a4

[project @ 1997-03-09 09:50:20 by jwe]
author jwe
date Sun, 09 Mar 1997 09:50:39 +0000
parents c05ed7ef4c1a
children 33486d9e2d00
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2800
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
1 Summary of changes for version 2.0.6:
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
2 ------------------------------------
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
3
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
4 * Functions like quad, fsolve, and lsode can take either a function
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
5 name or a simple function body as a string. For example,
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
6
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
7 quad ("sqrt (x)", 0, 1)
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
8
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
9 is equivalent to
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
10
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
11 function y = f (x) y = sqrt (x); endfunction
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
12 quad ("f", 0, 1)
9aeba8e006a4 [project @ 1997-03-09 09:50:20 by jwe]
jwe
parents: 2767
diff changeset
13
2745
76411ce43c05 [project @ 1997-02-26 07:52:14 by jwe]
jwe
parents: 2704
diff changeset
14 Summary of changes for version 2.0.5:
76411ce43c05 [project @ 1997-02-26 07:52:14 by jwe]
jwe
parents: 2704
diff changeset
15 ------------------------------------
76411ce43c05 [project @ 1997-02-26 07:52:14 by jwe]
jwe
parents: 2704
diff changeset
16
2767
c05ed7ef4c1a [project @ 1997-03-01 02:55:05 by jwe]
jwe
parents: 2745
diff changeset
17 * A `switch' statement is now available. See the Statements chapter
c05ed7ef4c1a [project @ 1997-03-01 02:55:05 by jwe]
jwe
parents: 2745
diff changeset
18 in the manual for details.
c05ed7ef4c1a [project @ 1997-03-01 02:55:05 by jwe]
jwe
parents: 2745
diff changeset
19
2745
76411ce43c05 [project @ 1997-02-26 07:52:14 by jwe]
jwe
parents: 2704
diff changeset
20 * Commands like ls, save, and cd may now also be used as formal
76411ce43c05 [project @ 1997-02-26 07:52:14 by jwe]
jwe
parents: 2704
diff changeset
21 parameters for functions.
76411ce43c05 [project @ 1997-02-26 07:52:14 by jwe]
jwe
parents: 2704
diff changeset
22
76411ce43c05 [project @ 1997-02-26 07:52:14 by jwe]
jwe
parents: 2704
diff changeset
23 * More tests.
76411ce43c05 [project @ 1997-02-26 07:52:14 by jwe]
jwe
parents: 2704
diff changeset
24
2702
7a820bb7f406 [project @ 1997-02-19 19:22:34 by jwe]
jwe
parents: 2683
diff changeset
25 Summary of changes for version 2.0.4:
7a820bb7f406 [project @ 1997-02-19 19:22:34 by jwe]
jwe
parents: 2683
diff changeset
26 ------------------------------------
7a820bb7f406 [project @ 1997-02-19 19:22:34 by jwe]
jwe
parents: 2683
diff changeset
27
7a820bb7f406 [project @ 1997-02-19 19:22:34 by jwe]
jwe
parents: 2683
diff changeset
28 * It is now possible to use commands like ls, save, and cd as simple
7a820bb7f406 [project @ 1997-02-19 19:22:34 by jwe]
jwe
parents: 2683
diff changeset
29 variable names. They still cannot be used as formal parameters
7a820bb7f406 [project @ 1997-02-19 19:22:34 by jwe]
jwe
parents: 2683
diff changeset
30 for functions, or as the names of structure variables. Failed
7a820bb7f406 [project @ 1997-02-19 19:22:34 by jwe]
jwe
parents: 2683
diff changeset
31 assignments leave them undefined (you can recover the orginal
2704
261befb7f938 [project @ 1997-02-19 19:37:10 by jwe]
jwe
parents: 2702
diff changeset
32 function definition using clear).
261befb7f938 [project @ 1997-02-19 19:37:10 by jwe]
jwe
parents: 2702
diff changeset
33
261befb7f938 [project @ 1997-02-19 19:37:10 by jwe]
jwe
parents: 2702
diff changeset
34 * Is is now possible to invoke commands like ls, save, and cd as
261befb7f938 [project @ 1997-02-19 19:37:10 by jwe]
jwe
parents: 2702
diff changeset
35 normal functions (for example, load ("foo", "x", "y", "z")).
2702
7a820bb7f406 [project @ 1997-02-19 19:22:34 by jwe]
jwe
parents: 2683
diff changeset
36
2666
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
37 Summary of changes for version 2.0.3:
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
38 ------------------------------------
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
39
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
40 * The manual has been completely revised and now corresponds much
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
41 more closely to the features of the current version.
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
42
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
43 * The return value for assignment expressions is now the RHS since
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
44 that is more consistent with the way other programming languages
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
45 work. However, Octave still prints the entire LHS value so that
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
46
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
47 x = zeros (1, 2);
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
48 x(2) = 1
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
49
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
50 still prints
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
51
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
52 x =
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
53
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
54 0 1
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
55
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
56 but an assignment like
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
57
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
58 z = x(2) = 1
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
59
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
60 sets z to 1 (not [ 0, 1 ] as in previous versions of Octave).
aa519c3a0523 [project @ 1997-02-09 00:11:22 by jwe]
jwe
parents: 2634
diff changeset
61
2683
8a4f3b3bb8d5 [project @ 1997-02-14 20:38:55 by jwe]
jwe
parents: 2666
diff changeset
62 * It is now much easier to make binary distributions. See the
8a4f3b3bb8d5 [project @ 1997-02-14 20:38:55 by jwe]
jwe
parents: 2666
diff changeset
63 Binary Distributions section of the manual for more details.
8a4f3b3bb8d5 [project @ 1997-02-14 20:38:55 by jwe]
jwe
parents: 2666
diff changeset
64
2615
ad44ecafabe4 [project @ 1997-01-21 04:13:13 by jwe]
jwe
parents: 2613
diff changeset
65 Summary of changes for version 2.0.2:
2613
5bcee07be597 [project @ 1997-01-21 03:52:08 by jwe]
jwe
parents: 2581
diff changeset
66 ------------------------------------
5bcee07be597 [project @ 1997-01-21 03:52:08 by jwe]
jwe
parents: 2581
diff changeset
67
2621
337a09dd1c06 [project @ 1997-01-24 21:49:41 by jwe]
jwe
parents: 2615
diff changeset
68 * Octave now stops executing commands from a script file if an error
337a09dd1c06 [project @ 1997-01-24 21:49:41 by jwe]
jwe
parents: 2615
diff changeset
69 is encountered.
337a09dd1c06 [project @ 1997-01-24 21:49:41 by jwe]
jwe
parents: 2615
diff changeset
70
337a09dd1c06 [project @ 1997-01-24 21:49:41 by jwe]
jwe
parents: 2615
diff changeset
71 * The return, and break commands now cause Octave to quit executing
337a09dd1c06 [project @ 1997-01-24 21:49:41 by jwe]
jwe
parents: 2615
diff changeset
72 commands from script files. When used in invalid contexts, the
337a09dd1c06 [project @ 1997-01-24 21:49:41 by jwe]
jwe
parents: 2615
diff changeset
73 break, continue, and return commands are now simply ignored
337a09dd1c06 [project @ 1997-01-24 21:49:41 by jwe]
jwe
parents: 2615
diff changeset
74 instead of producing parse errors.
337a09dd1c06 [project @ 1997-01-24 21:49:41 by jwe]
jwe
parents: 2615
diff changeset
75
2613
5bcee07be597 [project @ 1997-01-21 03:52:08 by jwe]
jwe
parents: 2581
diff changeset
76 * size ("") is now [0, 0].
5bcee07be597 [project @ 1997-01-21 03:52:08 by jwe]
jwe
parents: 2581
diff changeset
77
2634
eebc31f84a4d [project @ 1997-01-27 21:53:18 by jwe]
jwe
parents: 2621
diff changeset
78 * New functions:
eebc31f84a4d [project @ 1997-01-27 21:53:18 by jwe]
jwe
parents: 2621
diff changeset
79
eebc31f84a4d [project @ 1997-01-27 21:53:18 by jwe]
jwe
parents: 2621
diff changeset
80 sleep -- pause execution for a specified number of seconds
eebc31f84a4d [project @ 1997-01-27 21:53:18 by jwe]
jwe
parents: 2621
diff changeset
81 usleep -- pause execution for a specified number of microseconds
eebc31f84a4d [project @ 1997-01-27 21:53:18 by jwe]
jwe
parents: 2621
diff changeset
82
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
83 Summary of changes for version 2.0:
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
84 ----------------------------------
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
85
2520
a034dcdbc282 [project @ 1996-11-15 04:57:21 by jwe]
jwe
parents: 2511
diff changeset
86 * The set and show commands for setting and displaying gnuplot
a034dcdbc282 [project @ 1996-11-15 04:57:21 by jwe]
jwe
parents: 2511
diff changeset
87 parameters have been replaced by gset and gshow. This change will
a034dcdbc282 [project @ 1996-11-15 04:57:21 by jwe]
jwe
parents: 2511
diff changeset
88 probably break lots of things, but it is necessary to allow for
a034dcdbc282 [project @ 1996-11-15 04:57:21 by jwe]
jwe
parents: 2511
diff changeset
89 compatibility with the Matlab graphics and GUI commands in a
a034dcdbc282 [project @ 1996-11-15 04:57:21 by jwe]
jwe
parents: 2511
diff changeset
90 future version of Octave. (For now, the old set and show commands
a034dcdbc282 [project @ 1996-11-15 04:57:21 by jwe]
jwe
parents: 2511
diff changeset
91 do work, but they print an annoying warning message to try to get
a034dcdbc282 [project @ 1996-11-15 04:57:21 by jwe]
jwe
parents: 2511
diff changeset
92 people to switch to using gset.)
a034dcdbc282 [project @ 1996-11-15 04:57:21 by jwe]
jwe
parents: 2511
diff changeset
93
2581
6eb163dafaca [project @ 1996-12-10 07:10:05 by jwe]
jwe
parents: 2580
diff changeset
94 * Octave has been mostly ported to Windows NT and Windows 95 using
6eb163dafaca [project @ 1996-12-10 07:10:05 by jwe]
jwe
parents: 2580
diff changeset
95 the beta 17 release of the Cygnus GNU-WIN32 tools. Not everything
6eb163dafaca [project @ 1996-12-10 07:10:05 by jwe]
jwe
parents: 2580
diff changeset
96 works, but it is usable. See the file README.WINDOWS for more
6eb163dafaca [project @ 1996-12-10 07:10:05 by jwe]
jwe
parents: 2580
diff changeset
97 information.
6eb163dafaca [project @ 1996-12-10 07:10:05 by jwe]
jwe
parents: 2580
diff changeset
98
2580
fa7dd5fc7c59 [project @ 1996-12-10 06:30:41 by jwe]
jwe
parents: 2554
diff changeset
99 * Dynamic linking works on more systems using dlopen() and friends
fa7dd5fc7c59 [project @ 1996-12-10 06:30:41 by jwe]
jwe
parents: 2554
diff changeset
100 (most modern Unix systems) or shl_load() and friends (HP/UX
fa7dd5fc7c59 [project @ 1996-12-10 06:30:41 by jwe]
jwe
parents: 2554
diff changeset
101 systems). A simple example is provided in examples/hello.cc.
fa7dd5fc7c59 [project @ 1996-12-10 06:30:41 by jwe]
jwe
parents: 2554
diff changeset
102 For this feature to work, you must configure Octave with
fa7dd5fc7c59 [project @ 1996-12-10 06:30:41 by jwe]
jwe
parents: 2554
diff changeset
103 --enable-shared. You may also need to have a shared-library
fa7dd5fc7c59 [project @ 1996-12-10 06:30:41 by jwe]
jwe
parents: 2554
diff changeset
104 version of libg++ and libstdc++.
fa7dd5fc7c59 [project @ 1996-12-10 06:30:41 by jwe]
jwe
parents: 2554
diff changeset
105
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
106 * New data types can be added to Octave by writing a C++ class. On
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
107 systems that support dynamic linking, new data types can be added
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
108 to an already running Octave binary. A simple example appears in
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
109 the file examples/make_int.cc. Other examples are the standard
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
110 Octave data types defined in the files src/ov*.{h,cc} and
2580
fa7dd5fc7c59 [project @ 1996-12-10 06:30:41 by jwe]
jwe
parents: 2554
diff changeset
111 src/op-*.cc.
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
112
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
113 * The configure option --enable-bounds-check turns on bounds
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
114 checking on element references for Octave's internal array and
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
115 matrix classes. It's enabled by default. To disable this
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
116 feature, configure Octave with --disable-bounds-check.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
117
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
118 * The C-style I/O functions (fopen, fprintf, etc.) have been
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
119 rewritten to be more compatible with Matlab. The fputs function
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
120 has also been added. Usage of the *printf functions that was
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
121 allowed in previous versions of Octave should still work.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
122 However, there is no way to make the new versions of the *scanf
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
123 functions compatible with Matlab *and* previous versions of
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
124 Octave. An optional argument to the *scanf functions is now
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
125 available to make them behave in a way that is compatible with
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
126 previous versions of Octave.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
127
2511
9b0dd36714eb [project @ 1996-11-14 02:57:33 by jwe]
jwe
parents: 2496
diff changeset
128 * Octave can now read files that contain columns of numbers only,
9b0dd36714eb [project @ 1996-11-14 02:57:33 by jwe]
jwe
parents: 2496
diff changeset
129 with no header information. The name of the loaded variable is
9b0dd36714eb [project @ 1996-11-14 02:57:33 by jwe]
jwe
parents: 2496
diff changeset
130 constructed from the file name. Each line in the file must have
9b0dd36714eb [project @ 1996-11-14 02:57:33 by jwe]
jwe
parents: 2496
diff changeset
131 the same number of elements.
9b0dd36714eb [project @ 1996-11-14 02:57:33 by jwe]
jwe
parents: 2496
diff changeset
132
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
133 * The interface to the pager has changed. The new built-in variable
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
134 `page_output_immediately' controls when Octave sends output to the
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
135 pager. If it is nonzero, Octave sends output to the pager as soon
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
136 as it is available. Otherwise, Octave buffers its output and
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
137 waits until just before the prompt is printed to flush it to the
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
138 pager.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
139
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
140 * Expressions of the form
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
141
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
142 A(i,j) = x
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
143
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
144 where X is a scalar and the indices i and j define a matrix of
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
145 elements now work as you would expect rather than giving an error.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
146 I am told that this is how Matlab 5.0 will behave when it is
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
147 released.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
148
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
149 * Indexing of character strings now works.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
150
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
151 * The echo command has been implemented.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
152
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
153 * The document command is now a regular function.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
154
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
155 * New method for handling errors:
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
156
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
157 try
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
158 BODY
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
159 catch
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
160 CLEANUP
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
161 end_try_catch
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
162
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
163 Where BODY and CLEANUP are both optional and may contain any
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
164 Octave expressions or commands. The statements in CLEANUP are
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
165 only executed if an error occurs in BODY.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
166
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
167 No warnings or error messages are printed while BODY is
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
168 executing. If an error does occur during the execution of BODY,
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
169 CLEANUP can access the text of the message that would have been
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
170 printed in the builtin constant __error_text__. This is the same
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
171 as eval (TRY, CATCH) (which may now also use __error_text__) but
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
172 it is more efficient since the commands do not need to be parsed
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
173 each time the TRY and CATCH statements are evaluated.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
174
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
175 * Octave no longer parses the help command by grabbing everything
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
176 after the keyword `help' until a newline character is read. To
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
177 get help for `;' or `,', now, you need to use the command
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
178 `help semicolon' or `help comma'.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
179
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
180 * Octave's parser now does some simple constant folding. This means
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
181 that expressions like 3*i are now evaluated only once, when a
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
182 function is compiled, and the right hand side of expressions like
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
183 a = [1,2;3,4] are treated as true matrix constants rather than
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
184 lists of elements which must be evaluated each time they are
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
185 needed.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
186
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
187 * Built-in variables that can take values of "true" and "false" can
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
188 now also be set to any nonzero scalar value to indicate "true",
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
189 and 0 to indicate "false".
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
190
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
191 * New built-in variables `history_file', `history_size', and
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
192 `saving_history'.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
193
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
194 * New built-in variable `string_fill_char' specifies the character
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
195 to fill with when creating arrays of strings.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
196
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
197 * If the new built-in variable `gnuplot_has_frames' is nonzero,
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
198 Octave assumes that your copy of gnuplot includes support for
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
199 multiple plot windows when using X11.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
200
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
201 If the new built-in variable `gnuplot_has_multiplot' is nonzero,
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
202 Octave assumes that your copy of gnuplot has the multiplot support
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
203 that is included in recent 3.6beta releases.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
204
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
205 The initial values of these variables are determined by configure,
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
206 but can be changed in your startup script or at the command line
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
207 in case configure got it wrong, or if you upgrade your gnuplot
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
208 installation.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
209
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
210 * The new plot function `figure' allows multiple plot windows when
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
211 using newer versions of gnuplot with X11.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
212
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
213 * Octave now notices when the plotter has exited unexpectedly.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
214
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
215 * New built-in variable `warn_missing_semicolon'. If nonzero, Octave
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
216 will warn when statements in function definitions don't end in
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
217 semicolons. The default value is 0.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
218
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
219 * Octave now attempts to continue after floating point exceptions
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
220 or out-of-memory errors.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
221
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
222 * If Octave crashes, it now attempts to save all user-defined
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
223 variables in a file named `octave-core' in the current directory
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
224 before exiting.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
225
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
226 * It is now possible to get the values of individual option settings
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
227 for the dassl, fsolve, lsode, npsol, qpsol, and quad functions
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
228 using commands like
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
229
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
230 dassl_reltol = dassl_options ("relative tolerance");
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
231
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
232 * The svd() function no longer computes the left and right singular
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
233 matrices unnecessarily. This can significantly improve
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
234 performance for large matrices if you are just looking for the
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
235 singular values.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
236
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
237 * The filter() function is now a built-in function.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
238
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
239 * New function randn() returns a pseudo-random number from a normal
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
240 distribution. The rand() and randn() functions have separate
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
241 seeds and generators.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
242
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
243 * Octave's command-line arguments are now available in the built-in
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
244 variable `argv'. The program name is also available in the
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
245 variables `program_invocation_name' and `program_name'. If
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
246 executing a script from the command line (e.g., octave foo.m) or
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
247 using the `#! /bin/octave' hack, the program name is set to the
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
248 name of the script.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
249
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
250 * New built-in variable `completion_append_char' used as the
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
251 character to append to successful command-line completion
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
252 attempts. The default is " " (a single space).
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
253
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
254 * Octave now uses a modified copy of the readline library from
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
255 version 1.14.5 of GNU bash.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
256
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
257 * In prompt strings, `\H' expands to the whole host name.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
258
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
259 * New built-in variable `beep_on_error'. If nonzero, Octave will try
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
260 to ring your terminal's bell before printing an error message.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
261 The default value is 0.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
262
2554
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
263 * For functions defined from files, the type command now prints the
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
264 text of the file. You can still get the text reconstructed from
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
265 the parse tree by using the new option -t (-transformed).
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
266
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
267 * New command-line argument --traditional sets the following
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
268 preference variables for compatibility with Matlab:
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
269
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
270 PS1 = ">> "
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
271 PS2 = ""
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
272 beep_on_error = 1
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
273 default_save_format = "mat-binary"
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
274 define_all_return_values = 1
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
275 do_fortran_indexing = 1
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
276 empty_list_elements_ok = 1
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
277 implicit_str_to_num_ok = 1
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
278 ok_to_lose_imaginary_part = 1
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
279 page_screen_output = 0
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
280 prefer_column_vectors = 0
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
281 prefer_zero_one_indexing = 1
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
282 print_empty_dimensions = 0
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
283 treat_neg_dim_as_zero = 1
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
284 warn_function_name_clash = 0
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
285 whitespace_in_literal_matrix = "traditional"
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
286
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
287 * New functions:
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
288
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
289 readdir -- returns names of files in directory as array of strings
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
290 mkdir -- create a directory
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
291 rmdir -- remove a directory
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
292 rename -- rename a file
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
293 unlink -- delete a file
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
294 umask -- set permission mask for file creation
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
295 stat -- get information about a file
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
296 lstat -- get information about a symbolic link
2496
9823f8bfd1a5 [project @ 1996-11-11 03:17:10 by jwe]
jwe
parents: 2484
diff changeset
297 glob -- perform filename globbing
9823f8bfd1a5 [project @ 1996-11-11 03:17:10 by jwe]
jwe
parents: 2484
diff changeset
298 fnmatch -- match strings with filename globbing patterns
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
299 more -- turn the pager on or off
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
300 gammaln -- alias for lgamma
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
301
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
302 * New audio functions from Andreas Weingessel
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
303 <Andreas.Weingessel@ci.tuwien.ac.at>.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
304
2458
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
305 lin2mu -- linear to mu-law encoding
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
306 loadaudio -- load an audio file to a vector
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
307 mu2lin -- mu-law to linear encoding
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
308 playaudio -- play an audio file
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
309 record -- record sound and store in vector
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
310 saveaudio -- save a vector as an audio file
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
311 setaudio -- executes mixer shell command
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
312
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
313 * New plotting functions from Vinayak Dutt. Ones dealing with
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
314 multiple plots on one page require features from gnuplot 3.6beta
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
315 (or later).
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
316
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
317 bottom_title -- put title at the bottom of the plot
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
318 mplot -- multiplot version of plot
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
319 multiplot -- switch multiple-plot mode on or off
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
320 oneplot -- return to one plot per page
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
321 plot_border -- put a border around plots
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
322 subplot -- position multiple plots on a single page
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
323 subwindow -- set subwindow position for next plot
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
324 top_title -- put title at the top of the plot
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
325 zlabel -- put a label on the z-axis
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
326
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
327 * New string functions
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
328
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
329 bin2dec -- convert a string of ones and zeros to an integer
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
330 blanks -- create a string of blanks
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
331 deblank -- delete trailing blanks
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
332 dec2bin -- convert an integer to a string of ones and zeros
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
333 dec2hex -- convert an integer to a hexadecimal string
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
334 findstr -- locate occurrences of one string in another
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
335 hex2dec -- convert a hexadecimal string to an integer
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
336 index -- return position of first occurrence a string in another
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
337 rindex -- return position of last occurrence a string in another
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
338 split -- divide one string into pieces separated by another
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
339 str2mat -- create a string matrix from a list of strings
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
340 strrep -- replace substrings in a string
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
341 substr -- extract a substring
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
342
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
343 The following functions return a matrix of ones and zeros.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
344 Elements that are nonzero indicate that the condition was true for
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
345 the corresponding character in the string array.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
346
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
347 isalnum -- letter or a digit
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
348 isalpha -- letter
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
349 isascii -- ascii
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
350 iscntrl -- control character
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
351 isdigit -- digit
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
352 isgraph -- printable (but not space character)
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
353 islower -- lower case
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
354 isprint -- printable (including space character)
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
355 ispunct -- punctuation
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
356 isspace -- whitespace
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
357 isupper -- upper case
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
358 isxdigit -- hexadecimal digit
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
359
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
360 These functions return new strings.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
361
2458
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
362 tolower -- convert to lower case
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
363 toupper -- convert to upper case
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
364
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
365 * New function, fgetl. Both fgetl and fgets accept an optional
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
366 second argument that specifies a maximum number of characters to
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
367 read, and the function fgets is now compatible with Matlab.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
368
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
369 * Printing in hexadecimal format now works (format hex). It is also
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
370 possible to print the internal bit representation of a value
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
371 (format bit). Note that these formats are only implemented for
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
372 numeric values.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
373
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
374 * Additional structure features:
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
375
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
376 -- Name completion now works for structures.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
377
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
378 -- Values and names of structure elements are now printed by
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
379 default. The new built-in variable `struct_levels_to_print'
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
380 controls the depth of nested structures to print. The default
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
381 value is 2.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
382
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
383 -- New functions:
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
384
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
385 struct_contains (S, NAME) -- returns 1 if S is a structure with
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
386 element NAME; otherwise returns 0.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
387
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
388 struct_elements (S) -- returns the names of all elements
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
389 of structure S in an array of strings.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
390
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
391 * New io/subprocess functions:
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
392
2458
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
393 fputs -- write a string to a file with no formatting
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
394 popen2 -- start a subprocess with 2-way communication
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
395 mkfifo -- create a FIFO special file
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
396 popen -- open a pipe to a subprocess
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
397 pclose -- close a pipe from a subprocess
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
398 waitpid -- check the status of or wait for subprocesses
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
399
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
400 * New time functions:
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
401
2458
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
402 asctime -- format time structure according to local format
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
403 ctime -- equivalent to `asctime (localtime (TMSTRUCT))'
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
404 gmtime -- return time structure corresponding to UTC
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
405 localtime -- return time structure corresponding to local time zone
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
406 strftime -- print given time structure using specified format
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
407 time -- return current time
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
408
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
409 The `clock' and `date' functions are now implemented in M-files
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
410 using these basic functions.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
411
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
412 * Access to additional Unix system calls:
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
413
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
414 dup2 -- duplicate a file descriptor
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
415 exec -- replace current process with a new process
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
416 fcntl -- control open file descriptors
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
417 fork -- create a copy of the current process
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
418 getpgrp -- return the process group id of the current process
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
419 getpid -- return the process id of the current process
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
420 getppid -- return the process id of the parent process
2475
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
421 getuid -- return the real user id of the current process
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
422 getgid -- return the real group id of the current process
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
423 geteuid -- return the effective user id of the current process
1d7925d6bede [project @ 1996-11-07 04:36:00 by jwe]
jwe
parents: 2473
diff changeset
424 getegid -- return the effective group id of the current process
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
425 pipe -- create an interprocess channel
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
426
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
427 * Other new functions:
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
428
2554
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
429 commutation_matrix -- compute special matrix form
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
430 duplication_matrix -- compute special matrix form
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
431 common_size.m -- bring arguments to a common size
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
432 completion_matches -- perform command completion on string
2458
d07a5d0b57e2 [project @ 1996-11-03 03:25:18 by jwe]
jwe
parents: 2452
diff changeset
433 tilde_expand -- perform tilde expansion on string
2554
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
434
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
435 meshgrid -- compatible with Matlab's meshgrid function
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
436 tmpnam -- replaces octave_tmp_file_name
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
437 atexit -- register functions to be called when Octave exits
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
438 putenv -- define an environment variable
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
439 bincoeff -- compute binomial coefficients
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
440 nextpow2 -- compute the next power of 2 greater than a number
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
441 detrend -- remove a best fit polynomial from data
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
442 erfinv -- inverse error function
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
443 shift -- perform a circular shift on the elements of a matrix
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
444 pow2 -- compute 2 .^ x
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
445 log2 -- compute base 2 logarithms
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
446 diff -- compute differences of matrix elements
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
447 vech -- stack columns of a matrix below the diagonal
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
448 vec -- stack columns of a matrix to form a vector
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe]
jwe
parents: 2520
diff changeset
449 xor -- compute exclusive or
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
450
2459
0a2cd53db5f9 [project @ 1996-11-03 03:36:01 by jwe]
jwe
parents: 2458
diff changeset
451 * Functions for getting info from the password database on Unix systems:
0a2cd53db5f9 [project @ 1996-11-03 03:36:01 by jwe]
jwe
parents: 2458
diff changeset
452
0a2cd53db5f9 [project @ 1996-11-03 03:36:01 by jwe]
jwe
parents: 2458
diff changeset
453 getpwent -- read entry from password-file stream, opening if necessary
0a2cd53db5f9 [project @ 1996-11-03 03:36:01 by jwe]
jwe
parents: 2458
diff changeset
454 getpwuid -- search for password entry with matching user ID
0a2cd53db5f9 [project @ 1996-11-03 03:36:01 by jwe]
jwe
parents: 2458
diff changeset
455 getpwnam -- search for password entry with matching username
0a2cd53db5f9 [project @ 1996-11-03 03:36:01 by jwe]
jwe
parents: 2458
diff changeset
456 setpwent -- rewind the password-file stream
0a2cd53db5f9 [project @ 1996-11-03 03:36:01 by jwe]
jwe
parents: 2458
diff changeset
457 endpwent -- close the password-file stream
0a2cd53db5f9 [project @ 1996-11-03 03:36:01 by jwe]
jwe
parents: 2458
diff changeset
458
2484
ccaffe93c32f [project @ 1996-11-07 23:24:46 by jwe]
jwe
parents: 2475
diff changeset
459 * Functions for getting info from the group database on Unix systems:
ccaffe93c32f [project @ 1996-11-07 23:24:46 by jwe]
jwe
parents: 2475
diff changeset
460
ccaffe93c32f [project @ 1996-11-07 23:24:46 by jwe]
jwe
parents: 2475
diff changeset
461 getgrent -- read entry from group-file stream, opening if necessary
ccaffe93c32f [project @ 1996-11-07 23:24:46 by jwe]
jwe
parents: 2475
diff changeset
462 getgrgid -- search for group entry with matching group ID
ccaffe93c32f [project @ 1996-11-07 23:24:46 by jwe]
jwe
parents: 2475
diff changeset
463 getgrnam -- search for group entry with matching group name
ccaffe93c32f [project @ 1996-11-07 23:24:46 by jwe]
jwe
parents: 2475
diff changeset
464 setgrent -- rewind the pgroup-file stream
ccaffe93c32f [project @ 1996-11-07 23:24:46 by jwe]
jwe
parents: 2475
diff changeset
465 endgrent -- close the group-file stream
ccaffe93c32f [project @ 1996-11-07 23:24:46 by jwe]
jwe
parents: 2475
diff changeset
466
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
467 * The New function octave_config_info returns a structure containing
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
468 information about how Octave was configured and compiled.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
469
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
470 * New function getrusage returns a structure containing system
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
471 resource usage statistics. The `cputime' function is now defined
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
472 in an M-file using getrusage.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
473
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
474 * The info reader is now a separate binary that runs as a
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
475 subprocess. You still need the info reader distributed with
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
476 Octave though, because there are some new command-line arguments
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
477 that are not yet available in the public release of Info.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
478
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
479 * There is a new built-in variable, INFO_PROGRAM, which is used as
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
480 the name of the info program to run. Its initial value is
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
481 $OCTAVE_HOME/lib/octave/VERSION/exec/ARCH/info, but that value can
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
482 be overridden by the environment variable OCTAVE_INFO_PROGRAM, or
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
483 the command line argument --info-program NAME, or by setting the
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
484 value of INFO_PROGRAM in a startup script.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
485
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
486 * There is a new built-in variable, EXEC_PATH, which is used as
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
487 the list of directories to search when executing subprograms. Its
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
488 initial value is taken from the environment variable
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
489 OCTAVE_EXEC_PATH (if it exists) or PATH, but that value can be
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
490 overridden by the the command line argument --exec-path PATH, or
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
491 by setting the value of EXEC_PATH in a startup script. If the
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
492 EXEC_PATH begins (ends) with a colon, the directories
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
493 $OCTAVE_HOME/lib/octave/VERSION/exec/ARCH and $OCTAVE_HOME/bin are
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
494 prepended (appended) to EXEC_PATH (if you don't specify a value
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
495 for EXEC_PATH explicitly, these special directories are prepended
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
496 to your PATH).
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
497
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
498 * If it is present, Octave will now use an `ls-R' database file to
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
499 speed up recursive path searching. Octave looks for a file called
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
500 ls-R in the directory specified by the environment variable
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
501 OCTAVE_DB_DIR. If that is not set but the environment variable
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
502 OCTAVE_HOME is set, Octave looks in $OCTAVE_HOME/lib/octave.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
503 Otherwise, Octave looks in the directory $datadir/octave (normally
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
504 /usr/local/lib/octave).
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
505
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
506 * New examples directory.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
507
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
508 * There is a new script, mkoctfile, that can be used to create .oct
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
509 files suitable for dynamic linking.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
510
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
511 * Many more bug fixes.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
512
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
513 * ChangeLogs are now kept in each subdirectory.
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
514
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
515 See NEWS.1 for old news.