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annotate scripts/polynomial/polyder.m @ 11100:cdf940db26a0

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provide mxIsFunctionHandle MEX interface function
author John W. Eaton <jwe@octave.org>
date Sat, 16 Oct 2010 13:27:18 -0400
parents a8ce6bdecce5
children c776f063fefe
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1 ## Copyright (C) 1995, 1996, 1997, 2000, 2005, 2006, 2007 John W. Eaton
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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} {} polyder (@var{c})
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21 ## @deftypefnx {Function File} {[@var{q}] =} polyder (@var{b}, @var{a})
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22 ## @deftypefnx {Function File} {[@var{q}, @var{r}] =} polyder (@var{b}, @var{a})
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23 ## See polyderiv.
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24 ## @end deftypefn
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26 ## Author: John W. Eaton
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27
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28 function [q, r] = polyder (p, a)
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30 if (nargin == 1)
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31 q = polyderiv (p);
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32 elseif (nargin == 2)
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33 if (nargout == 2)
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34 [q, r] = polyderiv (p, a);
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35 else
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36 q = polyderiv (p, a);
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37 endif
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38 else
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39 print_usage ();
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40 endif
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41
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42 endfunction