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2303
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1 ### Copyright (C) 1996 John W. Eaton |
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2 ### |
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3 ### This file is part of Octave. |
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4 ### |
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5 ### Octave is free software; you can redistribute it and/or modify it |
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6 ### under the terms of the GNU General Public License as published by |
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7 ### the Free Software Foundation; either version 2, or (at your option) |
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8 ### any later version. |
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9 ### |
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10 ### Octave is distributed in the hope that it will be useful, but |
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11 ### WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ### General Public License for more details. |
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14 ### |
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15 ### You should have received a copy of the GNU General Public License |
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16 ### along with Octave; see the file COPYING. If not, write to the Free |
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17 ### Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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18 ### 02111-1307, USA. |
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19 |
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20 function retval = is_matrix (x) |
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21 |
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22 ## usage: is_matrix (x) |
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23 ## |
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24 ## Return 1 if the number of rows and columns of x are both greater |
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25 ## than 1. |
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26 ## |
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27 ## See also: size, rows, columns, length, is_scalar, is_vector |
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28 |
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29 if (nargin == 1) |
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30 [nr, nc] = size (x); |
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31 retval = (nr > 1 && nc > 1); |
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32 else |
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33 usage ("is_matrix (x)"); |
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34 endif |
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35 |
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36 endfunction |
