/usr/share/plplot_octave/support/is_strmatrix.m is in octave-plplot 5.9.9-2ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | ## Copyright (C) 1996, 1997 John W. Eaton
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2, or (at your option)
## any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
## usage: is_strmatrix (x)
##
## Return 1 if X is a matrix. Otherwise, return 0.
##
## See also: size, rows, columns, length, isscalar, isvector
## Author: jwe
## modified: jc
function retval = is_strmatrix (x)
if (nargin == 1)
[nr, nc] = size (x);
retval = (nr > 0 && nc > 0);
else
usage ("is_strmatrix (x)");
endif
endfunction
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