Mercurial > hg > octave-nkf

annotate scripts/elfun/acot.m @ 20296:23fb65b45d8c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
do not call custom editor at startup and when debugging (bug #44701) * file-editor.cc (call_custom_editor): return with true but without opening a file; (empty_script): do not open an empty script in the cutom editor at startup
author Torsten <ttl@justmail.de>
date Fri, 17 Apr 2015 19:55:24 +0200
parents 4197fc428c7d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19898
4197fc428c7d maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents: 17744
diff changeset
1 ## Copyright (C) 1994-2015 John W. Eaton
2313
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
2 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
3 ## This file is part of Octave.
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
4 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
5 ## Octave is free software; you can redistribute it and/or modify it
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
6 ## under the terms of the GNU General Public License as published by
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
8 ## your option) any later version.
2313
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
9 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
10 ## Octave is distributed in the hope that it will be useful, but
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
13 ## General Public License for more details.
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
14 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
15 ## You should have received a copy of the GNU General Public License
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
17 ## <http://www.gnu.org/licenses/>.
2303
5cffc4b8de57 [project @ 1996-06-24 09:15:24 by jwe]
jwe
parents: 904
diff changeset
18
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 2847
diff changeset
19 ## -*- texinfo -*-
3428
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe]
jwe
parents: 3321
diff changeset
20 ## @deftypefn {Mapping Function} {} acot (@var{x})
9155
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
21 ## Compute the inverse cotangent in radians for each element of @var{x}.
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
22 ## @seealso{cot, acotd}
3321
6923abb04e16 [project @ 1999-10-26 18:15:30 by jwe]
jwe
parents: 2847
diff changeset
23 ## @end deftypefn
713
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
24
2314
949ab8eba8bc [project @ 1996-07-12 03:58:02 by jwe]
jwe
parents: 2313
diff changeset
25 ## Author: jwe
949ab8eba8bc [project @ 1996-07-12 03:58:02 by jwe]
jwe
parents: 2313
diff changeset
26
11469
c776f063fefe Overhaul m-script files to use common variable name between code and documentation.
Rik <octave@nomad.inbox5.com>
parents: 9245
diff changeset
27 function y = acot (x)
713
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
28
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
29 if (nargin != 1)
6046
34f96dd5441b [project @ 2006-10-10 16:10:25 by jwe]
jwe
parents: 5307
diff changeset
30 print_usage ();
713
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
31 endif
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
32
14220
5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
33 y = atan (1 ./ x);
713
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
34
2326
7ffb2a630708 [project @ 1996-07-15 22:31:34 by jwe]
jwe
parents: 2314
diff changeset
35 endfunction
7385
8b7b4f58199f [project @ 2008-01-15 20:49:09 by jwe]
jwe
parents: 7017
diff changeset
36
14220
5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
37
7385
8b7b4f58199f [project @ 2008-01-15 20:49:09 by jwe]
jwe
parents: 7017
diff changeset
38 %!test
8b7b4f58199f [project @ 2008-01-15 20:49:09 by jwe]
jwe
parents: 7017
diff changeset
39 %! rt2 = sqrt (2);
8b7b4f58199f [project @ 2008-01-15 20:49:09 by jwe]
jwe
parents: 7017
diff changeset
40 %! rt3 = sqrt (3);
8b7b4f58199f [project @ 2008-01-15 20:49:09 by jwe]
jwe
parents: 7017
diff changeset
41 %! x = [rt3, 1, rt3/3, 0, -rt3/3, -1, -rt3];
8b7b4f58199f [project @ 2008-01-15 20:49:09 by jwe]
jwe
parents: 7017
diff changeset
42 %! v = [pi/6, pi/4, pi/3, pi/2, -pi/3, -pi/4, -pi/6];
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14220
diff changeset
43 %! assert (acot (x), v, sqrt (eps));
7385
8b7b4f58199f [project @ 2008-01-15 20:49:09 by jwe]
jwe
parents: 7017
diff changeset
44
14220
5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
45 %!error acot ()
5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
46 %!error acot (1, 2)
7385
8b7b4f58199f [project @ 2008-01-15 20:49:09 by jwe]
jwe
parents: 7017
diff changeset
47