Mercurial > octave-nkf
view scripts/sparse/spones.m @ 18848:53af80da6781 stable
doc: Update documentation of sparse functions including seealso links.
* data.cc (Fall, Fany): Use non-zero instead of nonzero.
* data.cc (Fnnz, Fnzmax, Ffull): Rewrite docstrings, include more seealso links.
* sparse.cc (Fsparse): Rewrite docstring to include example of "sum" behavior
and "unique" behavior. Add more seealso links.
* sparse.cc (Fspalloc): Rewrite docstring, include more seealso links.
* spparms.cc (Fspparms): Add seealso links.
* amd.cc (Famd): Use nonzero instead of "non zero".
* nonzeros.m: Add seealso links.
* spaugment.m: Rewrite docstring, include more seealso links.
* spconvert.m: Rewrite docstring, include more seealso links.
* speye.m: Rewrite docstring, include more seealso links.
* spones.m: Add seealso links.
* sprand.m: Rewrite docstring, include more seealso links.
* sprandn.m: Rewrite docstring, include more seealso links.
* sprandsym.m: Rewrite docstring, include more seealso links.
* spy.m: Rewrite docstring, include more seealso links.
author | Rik <rik@octave.org> |
---|---|
date | Sun, 08 Jun 2014 16:32:12 -0700 |
parents | d63878346099 |
children | 9ac2357f19bc |
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## Copyright (C) 2004-2013 David Bateman and Andy Adler ## ## 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 3 of the License, 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, see ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {Function File} {@var{r} =} spones (@var{S}) ## Replace the non-zero entries of @var{S} with ones. This creates a ## sparse matrix with the same structure as @var{S}. ## @seealso{sparse, sprand, sprandn, sprandsym, spfun, spy} ## @end deftypefn function r = spones (S) if (nargin != 1) print_usage (); endif [i, j, v] = find (S); [m, n] = size (S); r = sparse (i, j, 1, m, n); endfunction %!assert (issparse (spones ([1,2;3,0]))) %!assert (spones ([1,2;3,0]), sparse ([1,1;1,0])) %!assert (spones (sparse ([1,2;3,0])), sparse ([1,1;1,0]))