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annotate scripts/sparse/nonzeros.m @ 8874:bd1b1fe9c6e9 ss-3-1-53

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author John W. Eaton <jwe@octave.org>
date Wed, 25 Feb 2009 18:35:47 -0500
parents f5005d9510f4
children eb63fbe60fab
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1 ## Copyright (C) 2004, 2005, 2007 Paul Kienzle
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} nonzeros (@var{s})
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21 ## Returns a vector of the non-zero values of the sparse matrix @var{s}.
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22 ## @end deftypefn
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23
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24 function t = nonzeros (s)
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25
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26 if (nargin != 1)
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27 print_usage ();
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28 endif
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29
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30 [i, j, t] = find (s);
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31 endfunction
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32
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33 %!assert(nonzeros([1,2;3,0]),[1;3;2])
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34 %!assert(nonzeros(sparse([1,2;3,0])),[1;3;2])