## Copyright (C) 2010 VZLU Prague ## ## 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 General Public License along with ## this program. If not, see <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn{Function File} {[@var{y}, @var{f}] = } nze (@var{x}) ## Extract nonzero elements of @var{x}. Equivalent to @code{@var{x}(@var{x} != 0)}. ## Optionally, returns also linear indices. ## @end deftypefn ## Author: Etienne Grossmann <etienne@cs.uky.edu> ## Author: Jaroslav Hajek <highegg@gmail.com> function [y, f] = nze (x) nz = x != 0; y = x(nz); if (nargout > 1) f = find (nz); endif endfunction

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