/usr/share/octave/packages/control-2.6.2/@lti/vertcat.m is in octave-control 2.6.2-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 -*-
## Vertical concatenation of @acronym{LTI} objects. If necessary, object conversion
## is done by sys_group. Used by Octave for "[sys1; sys2]".
## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
## Created: September 2009
## Version: 0.1
function sys = vertcat (sys, varargin)
for k = 1 : (nargin-1)
sys1 = sys;
sys2 = varargin{k};
[p1, m1] = size (sys1);
[p2, m2] = size (sys2);
if (m1 != m2)
error ("lti: vertcat: number of system inputs incompatible: [(%dx%d); (%dx%d)]",
p1, m1, p2, m2);
endif
sys = __sys_group__ (sys1, sys2);
in_scl = [eye(m1); eye(m2)];
sys = sys * in_scl;
endfor
endfunction
|