/usr/share/octave/packages/control-2.6.2/@ss/__set__.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.
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##
## 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 -*-
## Set or modify properties of SS objects.
## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
## Created: October 2009
## Version: 0.3
function sys = __set__ (sys, prop, val)
switch (prop) # {<internal name>, <user name>}
case "a"
__ss_dim__ (val, sys.b, sys.c, sys.d);
sys.a = val;
case "b"
__ss_dim__ (sys.a, val, sys.c, sys.d);
sys.b = val;
case "c"
__ss_dim__ (sys.a, sys.b, val, sys.d);
sys.c = val;
case "d"
__ss_dim__ (sys.a, sys.b, sys.c, val);
sys.d = val;
case "e"
if (isempty (val))
sys.e = []; # avoid [](nx0) or [](0xn)
else
__ss_dim__ (sys.a, sys.b, sys.c, sys.d, val);
sys.e = val;
endif
case {"stname", "statename", "stn", "staten"}
n = rows (sys.a);
sys.stname = __adjust_labels__ (val, n);
case "scaled"
if (isscalar (val))
sys.scaled = logical (val);
else
error ("ss: set: property 'scaled' must be a logical value");
endif
otherwise
error ("ss: set: invalid property name '%s'", prop);
endswitch
endfunction
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