/usr/share/octave/packages/control-2.6.2/@iddata/end.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 | ## 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 -*-
## End indexing for @acronym{IDDATA} objects.
## Used by Octave for "dat(1:end)".
## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
## Created: December 2013
## Version: 0.1
function ret = end (dat, k, n)
if (n > 4)
error ("iddata: end: require at most 4 indices in the expression");
endif
switch (k)
case 1 # selecting samples
ret = size (dat, 1);
if (numel (ret) != 1 && ! isequal (num2cell (ret){:}))
error ("iddata: end: for multi-experiment datasets, require equal number of samples when selecting samples with 'end'");
endif
ret = ret(1);
case {2, 3, 4} # selecting outputs, inputs or experiments
ret = size (dat, k);
otherwise
error ("iddata: end: invalid expression index k = %d", k);
endswitch
endfunction
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