1 ## Copyright (C) 2009 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 ## Vertical concatenation of LTI objects. If necessary, object conversion
20 ## is done by sys_group. Used by Octave for "[sys1; sys2]".
22 ## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
23 ## Created: September 2009
26 function sys = vertcat (sys, varargin)
28 for k = 1 : (nargin-1)
33 [p1, m1] = size (sys1);
34 [p2, m2] = size (sys2);
37 error ("lti: vertcat: number of system inputs incompatible: [(%dx%d); (%dx%d)]",
41 sys = __sys_group__ (sys1, sys2);
43 in_scl = [eye(m1); eye(m2)];