/usr/share/octave/packages/control-3.0.0/@lti/repmat.m is in octave-control 3.0.0-2.
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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 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | ## Copyright (C) 2009-2015 Lukas F. Reichlin
##
## This file is part of LTI Syncope.
##
## LTI Syncope 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 3 of the License, or
## (at your option) any later version.
##
## LTI Syncope 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 LTI Syncope. If not, see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {@var{rsys} =} repmat (@var{sys}, @var{m}, @var{n})
## @deftypefnx {Function File} {@var{rsys} =} repmat (@var{sys}, [@var{m}, @var{n}])
## @deftypefnx {Function File} {@var{rsys} =} repmat (@var{sys}, @var{m})
## Form a block transfer matrix of @var{sys} with @var{m} copies vertically
## and @var{n} copies horizontally. If @var{n} is not specified, it is set to @var{m}.
## @code{repmat (sys, 2, 3)} is equivalent to @code{[sys, sys, sys; sys, sys, sys]}.
## @end deftypefn
## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
## Created: May 2014
## Version: 0.1
function sys = repmat (sys, x, y)
switch (nargin)
case 2
if (is_real_scalar (x)) # repmat (sys, m)
y = x;
elseif (is_real_vector (x) && length (x) == 2) # repmat (sys, [m, n])
y = x(2);
x = x(1);
else
error ("lti: repmat: second argument invalid");
endif
case 3 # repmat (sys, m, n)
if (! is_real_scalar (x, y))
error ("lti: repmat: dimensions 'm' and 'n' must be real integers");
endif
otherwise
print_usage ();
endswitch
[p, m] = size (sys);
out_idx = repmat (1:p, 1, x);
in_idx = repmat (1:m, 1, y);
sys = __sys_prune__ (sys, out_idx, in_idx);
endfunction
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