X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fcontrol-2.3.52%2F%40lti%2Fdss.m;fp=octave_packages%2Fcontrol-2.3.52%2F%40lti%2Fdss.m;h=d32022f57f9d0dabb20f10051acee28d8992febb;hp=0000000000000000000000000000000000000000;hb=f5f7a74bd8a4900f0b797da6783be80e11a68d86;hpb=1705066eceaaea976f010f669ce8e972f3734b05
diff --git a/octave_packages/control-2.3.52/@lti/dss.m b/octave_packages/control-2.3.52/@lti/dss.m
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+## Copyright (C) 2010 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 .
+
+## -*- texinfo -*-
+## Convert to descriptor state-space model.
+## Since it is impossible to call a function inside @NAME without any
+## argument of class NAME (except the constructor @NAME/NAME.m),
+## the "constructor" for dss models is located outside folder @ss.
+
+## Author: Lukas Reichlin
+## Created: September 2010
+## Version: 0.1
+
+function sys = dss (sys)
+
+ if (nargin != 1)
+ print_usage ();
+ endif
+
+ if (! isa (sys, "ss"))
+ sys = ss (sys);
+ endif
+
+ a = __sys_data__ (sys);
+
+ sys = __set__ (sys, "e", eye (size (a)));
+
+endfunction
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