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OS/2 Shareware BBS: 10 Tools
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octave
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complmnt.m
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Text File
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1999-12-24
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2KB
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61 lines
## Copyright (C) 1996, 1997 John W. Eaton
##
## This file is part of Octave.
##
## Octave 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 2, or (at your option)
## any later version.
##
## Octave 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 Octave; see the file COPYING. If not, write to the Free
## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
## 02111-1307, USA.
## -*- texinfo -*-
## @deftypefn {Function File} {} complmnt (@var{x}, @var{y})
## Return the elements of set @var{y} that are not in set @var{x}. For
## example,
##
## @example
## @group
## complmnt ([ 1, 2, 3 ], [ 2, 3, 5 ])
## @result{} 5
## @end group
## @end example
## @end deftypefn
## See also: crt_set, union, intrsect
## Author: jwe
function y = complmnt (a, b)
if (nargin != 2)
usage ("complmnt(a,b)");
endif
if (isempty (a))
y = crt_set(b);
elseif (isempty (b))
y = [];
else
a = crt_set (a);
b = crt_set (b);
yindex = 1;
y = zeros (1, length (b));
for index = 1:length (b)
if (all (a != b (index)))
y(yindex++) = b(index);
endif
endfor
y = y(1:(yindex-1));
endif
endfunction