annotate scripts/sparse/spfun.m @ 19007:9ac2357f19bc

doc: Replace "non-zero" with "nonzero" to match existing usage. Replace all occurrences in both documentation and code comments. * doc/interpreter/contrib.txi, doc/interpreter/diagperm.txi, doc/interpreter/external.txi, doc/interpreter/sparse.txi, doc/interpreter/stmt.txi, doc/interpreter/testfun.txi, doc/refcard/refcard.tex, examples/mysparse.c, libinterp/corefcn/balance.cc, libinterp/corefcn/cellfun.cc, libinterp/corefcn/data.cc, libinterp/corefcn/filter.cc, libinterp/corefcn/find.cc, libinterp/corefcn/kron.cc, libinterp/corefcn/ls-mat5.cc, libinterp/corefcn/luinc.cc, libinterp/corefcn/mappers.cc, libinterp/corefcn/oct-fstrm.cc, libinterp/corefcn/oct-fstrm.h, libinterp/corefcn/oct-iostrm.cc, libinterp/corefcn/oct-iostrm.h, libinterp/corefcn/oct-stdstrm.h, libinterp/corefcn/oct-strstrm.h, libinterp/corefcn/spparms.cc, libinterp/corefcn/toplev.cc, libinterp/corefcn/utils.cc, libinterp/dldfcn/symrcm.cc, libinterp/octave-value/ov-bool-mat.cc, liboctave/array/CSparse.cc, liboctave/array/Sparse.cc, liboctave/array/Sparse.h, liboctave/array/dSparse.cc, liboctave/numeric/randmtzig.c, liboctave/operators/Sparse-op-defs.h, scripts/help/get_first_help_sentence.m, scripts/miscellaneous/edit.m, scripts/plot/draw/pie.m, scripts/plot/draw/pie3.m, scripts/sparse/colperm.m, scripts/sparse/nonzeros.m, scripts/sparse/spdiags.m, scripts/sparse/spfun.m, scripts/sparse/spones.m, scripts/sparse/sprand.m, scripts/sparse/sprandn.m, scripts/sparse/sprandsym.m, scripts/sparse/spstats.m, scripts/sparse/svds.m, scripts/special-matrix/gallery.m, scripts/statistics/base/moment.m, scripts/statistics/tests/cor_test.m: Replace "non-zero" with "nonzero" to match existing usage.
author Rik <rik@octave.org>
date Sun, 08 Jun 2014 17:59:59 -0700
parents d63878346099
children 4197fc428c7d
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d63878346099 maint: Update copyright notices for release.
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1 ## Copyright (C) 2004-2013 David Bateman and Andy Adler
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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} {@var{y} =} spfun (@var{f}, @var{S})
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21 ## Compute @code{f(@var{S})} for the nonzero values of @var{S}.
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22 ## This results in a sparse matrix with the same structure as
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23 ## @var{S}. The function @var{f} can be passed as a string, a
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24 ## function handle, or an inline function.
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25 ## @seealso{arrayfun, cellfun, structfun}
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26 ## @end deftypefn
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27
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28 function y = spfun (f, S)
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29
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30 if (nargin != 2)
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31 print_usage ();
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32 endif
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33
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34 [i, j, v] = find (S);
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35 [m, n] = size (S);
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36
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37 if (isa (f, "function_handle") || isa (f, "inline function"))
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38 y = sparse (i, j, f(v), m, n);
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39 else
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40 y = sparse (i, j, feval (f, v), m, n);
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41 endif
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42
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43 endfunction
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46 %!assert (spfun ("exp", [1,2;3,0]), sparse ([exp(1),exp(2);exp(3),0]))
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47 %!assert (spfun ("exp", sparse ([1,2;3,0])), sparse ([exp(1),exp(2);exp(3),0]))
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48 %!assert (spfun (@exp, [1,2;3,0]), sparse ([exp(1),exp(2);exp(3),0]))
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49 %!assert (spfun (@exp, sparse ([1,2;3,0])), sparse ([exp(1),exp(2);exp(3),0]))
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