1 ## Copyright (C) 2009, 2010, 2011 Lukas F. Reichlin
3 ## This file is part of LTI Syncope.
5 ## LTI Syncope is free software: you can redistribute it and/or modify
6 ## it under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation, either version 3 of the License, or
8 ## (at your option) any later version.
10 ## LTI Syncope is distributed in the hope that it will be useful,
11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ## GNU General Public License for more details.
15 ## You should have received a copy of the GNU General Public License
16 ## along with LTI Syncope. If not, see <http://www.gnu.org/licenses/>.
19 ## Transmission zeros of SS object.
20 ## Uses SLICOT AB08ND by courtesy of
21 ## @uref{http://www.slicot.org, NICONET e.V.}
23 ## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
24 ## Created: October 2009
27 function [zer, gain] = __zero__ (sys, argc)
30 [zer, gain] = slab08nd (sys.a, sys.b, sys.c, sys.d, sys.scaled);
32 zer = slag08bd (sys.a, sys.e, sys.b, sys.c, sys.d, sys.scaled);
33 if (argc > 1 && issiso (sys))
35 gain = sltg04bx (sys.a, sys.e, sys.b, sys.c, sys.d, \
36 real (pol), imag (pol), real (zer), imag (zer));