Mercurial > hg > octave-lyh

annotate scripts/general/is_matrix.m @ 999:b989de67b22d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
[project @ 1994-12-19 23:50:05 by jwe]
author jwe
date Mon, 19 Dec 1994 23:50:13 +0000
parents 3470f1e25a79
children 3f257ab07921
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
904
3470f1e25a79 [project @ 1994-11-09 21:22:15 by jwe]
jwe
parents: 245
diff changeset
1 # Copyright (C) 1993, 1994 John W. Eaton
245
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
2 #
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
3 # This file is part of Octave.
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
4 #
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
5 # Octave is free software; you can redistribute it and/or modify it
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
6 # under the terms of the GNU General Public License as published by the
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
7 # Free Software Foundation; either version 2, or (at your option) any
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
8 # later version.
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
9 #
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
10 # Octave is distributed in the hope that it will be useful, but WITHOUT
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
13 # for more details.
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
14 #
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
15 # You should have received a copy of the GNU General Public License
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
16 # along with Octave; see the file COPYING. If not, write to the Free
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
17 # Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
18
4
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
19 function retval = is_matrix (x)
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
20
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
21 # usage: is_matrix (x)
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
22 #
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
23 # Return 1 if the number of rows and columns of x are both greater
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
24 # than 1.
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
25 #
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
26 # See also: size, rows, columns, length, is_scalar, is_vector
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
27
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
28 if (nargin == 1)
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
29 [nr, nc] = size (x);
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
30 retval = (nr > 1 && nc > 1);
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
31 else
904
3470f1e25a79 [project @ 1994-11-09 21:22:15 by jwe]
jwe
parents: 245
diff changeset
32 usage ("is_matrix (x)");
4
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
33 endif
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
34
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
35 endfunction