/usr/share/octave/packages/control-2.6.2/__tito_dim__.m is in octave-control 2.6.2-1build1.
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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 50 51 52 | ## 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/>.
## Extract nmeas and ncon from plant P which has been partitioned by mktito.
## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
## Created: January 2014
## Version: 0.1
function [nmeas, ncon] = __tito_dim__ (P, name)
[p, m] = size (P);
outgroup = P.outgroup;
ingroup = P.ingroup;
if (! isfield (outgroup, "V"))
error ("%s: missing outgroup 'V'", name);
endif
if (! isfield (ingroup, "U"))
error ("%s: missing ingroup 'U'", name);
endif
nmeas = numel (outgroup.V);
ncon = numel (ingroup.U);
## check whether indices of V and U are in ascending order
## and at the end of the outputs/inputs
if (! isequal (outgroup.V(:), (p-nmeas+1:p)(:)))
error ("%s: outgroup 'V' invalid", name);
endif
if (! isequal (ingroup.U(:), (m-ncon+1:m)(:)))
error ("%s: ingroup 'U' invalid", name);
endif
endfunction
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