|
4026
|
1 ## Copyright (C) 1996, 1997 John W. Eaton |
|
|
2 ## |
|
|
3 ## This file is part of Octave. |
|
|
4 ## |
|
|
5 ## Octave is free software; you can redistribute it and/or modify it |
|
|
6 ## under the terms of the GNU General Public License as published by |
|
7016
|
7 ## the Free Software Foundation; either version 3 of the License, or (at |
|
|
8 ## your option) any later version. |
|
4026
|
9 ## |
|
|
10 ## Octave is distributed in the hope that it will be useful, but |
|
|
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
|
13 ## General Public License for more details. |
|
|
14 ## |
|
|
15 ## You should have received a copy of the GNU General Public License |
|
7016
|
16 ## along with Octave; see the file COPYING. If not, see |
|
|
17 ## <http://www.gnu.org/licenses/>. |
|
4026
|
18 |
|
|
19 ## -*- texinfo -*- |
|
|
20 ## @deftypefn {Function File} {} isvector (@var{a}) |
|
|
21 ## Return 1 if @var{a} is a vector. Otherwise, return 0. |
|
5642
|
22 ## @seealso{size, rows, columns, length, isscalar, ismatrix} |
|
4026
|
23 ## @end deftypefn |
|
|
24 |
|
|
25 ## Author: jwe |
|
|
26 |
|
|
27 function retval = isvector (x) |
|
|
28 |
|
|
29 retval = 0; |
|
|
30 |
|
|
31 if (nargin == 1) |
|
5459
|
32 sz = size (x); |
|
5721
|
33 retval = (ndims (x) == 2 && (sz(1) == 1 || sz(2) == 1)); |
|
4026
|
34 else |
|
6046
|
35 print_usage (); |
|
4026
|
36 endif |
|
|
37 |
|
|
38 endfunction |
