``` 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 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54``` ```## Copyright (C) 2000 Paul Kienzle ## ## This program 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 of the License, or ## (at your option) any later version. ## ## This program 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. ## ## You should have received a copy of the GNU General Public License ## along with this program; if not, write to the Free Software ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ## -*- texinfo -*- ## @deftypefn {Function File} {} repmat (@var{A}, @var{m}, @var{n}) ## @deftypefnx {Function File} {} repmat (@var{A}, [@var{m} @var{n}]) ## Form a block matrix of size @var{m} by @var{n}, with a copy of matrix ## @var{A} as each element. If @var{n} is not specified, form an ## @var{m} by @var{m} block matrix. ## @end deftypefn ## Author: Paul Kienzle ## Created: July 2000 ## 2001-06-27 Paul Kienzle ## * cleaner, slightly faster code function x = repmat (b, m, n) if (nargin < 2 || nargin > 3) usage ("repmat (a, m, n)"); endif if nargin == 2 if is_scalar (m) n = m; elseif (is_vector (m) && length (m) == 2) n = m (2); m = m (1); else error ("repmat: only builds 2D matrices") endif endif [rb, cb] = size (b); if (isempty (b)) x = zeros (m*rb, n*cb); else x = b ([1:rb]' * ones(1,m), [1:cb]' * ones(1,n)); endif endfunction ```