/usr/share/octave/packages/interval-1.4.1/@infsup/cat.m is in octave-interval 1.4.1-1.
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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 53 54 55 56 57 58 | ## Copyright 2015-2016 Oliver Heimlich
##
## This program 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.
##
## This program 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 this program; if not, see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @documentencoding UTF-8
## @defmethod {@@infsup} cat (@var{DIM}, @var{MATRIX1}, @var{MATRIX2}, @dots{})
##
## Return the concatenation of interval matrices @var{MATRIX1}, @var{MATRIX2},
## … along dimension @var{DIM}.
##
## Interval matrices support no more than 2 dimensions.
##
## @example
## @group
## cat (2, infsup (magic (3)), infsup (pascal (3)))
## @result{} 3×6 interval matrix
##
## [8] [1] [6] [1] [1] [1]
## [3] [5] [7] [1] [2] [3]
## [4] [9] [2] [1] [3] [6]
## @end group
## @end example
## @seealso{@@infsup/horzcat, @@infsup/vertcat}
## @end defmethod
## Author: Oliver Heimlich
## Keywords: interval
## Created: 2015-04-19
function result = cat (dim, varargin)
switch dim
case 1
result = vertcat (varargin {:});
case 2
result = horzcat (varargin {:});
otherwise
error ("interval:InvalidOperand", ...
"cat: no more than 2 dimensions are supported")
endswitch
endfunction
%!assert (size (cat (1, infsup ([]), infsup ([]))), [0 0]);
%!assert (cat (1, infsup (1), infsup (2)) == infsup (cat (1, 1, 2)));
%!assert (cat (2, infsup (1), infsup (2)) == infsup (cat (2, 1, 2)));
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