/usr/share/octave/packages/control-2.6.2/__modred_check_weight__.m is in octave-control 2.6.2-1build1.
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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 | ## Copyright (C) 2009-2014 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 -*-
## check weightings for model reduction commands
## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
## Created: November 2011
## Version: 0.1
function [a, b, c, d, job] = __modred_check_weight__ (sys, dt, p = [], m = [])
sys = ss (sys); # could be non-lti, therefore ssdata would fail
if (dt != isdt (sys))
error ("modred: ct/dt"); # TODO: error message
endif
[pw, mw] = size (sys);
if (! isempty (p) && mw != p)
error ("modred: left weight requires %d inputs", p);
endif
if (! isempty (m) && pw != m)
error ("modred: right weight requires %d outputs", m);
endif
[a, b, c, d] = ssdata (sys);
job = 1;
## TODO: check system size
endfunction
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