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## Copyright (C) 2011 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 -*-
## Convert descriptor state-space system into regular state-space form.
## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
## Created: September 2011
## Version: 0.1
function [a, b, c, d, e] = __dss2ss__ (a, b, c, d, e)
if (isempty (e))
return;
elseif (rcond (e) < eps) # check for singularity
error ("ss: dss2ss: descriptor matrice 'e' singular");
else
[a, b, c, d] = slsb10jd (a, b, c, d, e);
e = [];
endif
endfunction
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