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1 ## Copyright (C) 2000 Paul Kienzle |
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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 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} repmat (@var{A}, @var{m}, @var{n}) |
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22 ## @deftypefnx {Function File} {} repmat (@var{A}, [@var{m} @var{n}]) |
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23 ## Form a block matrix of size @var{m} by @var{n}, with a copy of matrix |
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24 ## @var{A} as each element. If @var{n} is not specified, form an |
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25 ## @var{m} by @var{m} block matrix. |
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26 ## @end deftypefn |
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27 |
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28 ## Author: Paul Kienzle <pkienzle@kienzle.powernet.co.uk> |
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29 ## Created: July 2000 |
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30 |
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31 function x = repmat (b, m, n) |
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32 if (nargin < 2 || nargin > 3) |
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33 usage ("repmat (a, m, n)"); |
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34 endif |
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35 |
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36 if (nargin == 2) |
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37 if (is_scalar (m)) |
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38 n = m; |
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39 elseif (is_vector (m) && length (m) == 2) |
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40 n = m(2); |
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41 m = m(1); |
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42 else |
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43 error ("repmat: only builds 2D matrices") |
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44 endif |
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45 endif |
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46 |
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47 if (isstr (a)) |
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48 x = setstr (kron (ones (m, n), toascii (a))); |
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49 else |
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50 x = kron (ones (m, n), a); |
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51 endif |
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52 |
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53 endfunction |
