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1 ## Copyright (C) 1996, 1997 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 2, or (at your option) |
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8 ## 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, write to the Free |
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17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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18 ## 02111-1307, USA. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} polyder (@var{c}) |
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22 ## @deftypefnx {Function File} {[@var{q}] =} polyder (@var{b}, @var{a}) |
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23 ## @deftypefnx {Function File} {[@var{q}, @var{r}] =} polyder (@var{b}, @var{a}) |
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24 ## See polyderiv. |
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25 ## @end deftypefn |
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26 |
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27 ## Author: John W. Eaton |
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28 ## Paul Kienzle <pkienzle@kienzle.powernet.co.uk> |
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29 ## handle b/a and b*a |
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30 |
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31 function [q, r] = polyder (p, a) |
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32 |
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33 if (nargin == 1) |
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34 q = polyderiv (p); |
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35 elseif (nargin==2) |
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36 if (nargout==2) |
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37 [q, r] = polyderiv (p,a); |
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38 else |
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39 q = polyderiv (p,a); |
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40 endif |
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41 else |
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42 usage ("q=polyder(p) or q=polyder(b,a) or [q, r]=polyder(b,a)"); |
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43 endif |
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44 |
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45 endfunction |
