Mercurial > hg > octave-nkf
annotate scripts/polynomial/polyint.m @ 9051:1bf0ce0930be
Grammar check TexInfo in all .m files
Cleanup documentation sources to follow a few consistent rules.
Spellcheck was NOT done. (but will be in another changeset)
| author | Rik <rdrider0-list@yahoo.com> |
|---|---|
| date | Fri, 27 Mar 2009 22:31:03 -0700 |
| parents | eb63fbe60fab |
| children | 16f53d29049f |
| rev | line source |
|---|---|
| 8920 | 1 ## Copyright (C) 1996, 1997, 2007, 2008 John W. Eaton |
| 6853 | 2 ## |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
| 8 ## your option) any later version. | |
| 6853 | 9 ## |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 7016 | 16 ## along with Octave; see the file COPYING. If not, see |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 6853 | 18 |
| 19 ## -*- texinfo -*- | |
| 20 ## @deftypefn {Function File} {} polyint (@var{c}, @var{k}) | |
| 21 ## Return the coefficients of the integral of the polynomial whose | |
|
9051
1bf0ce0930be
Grammar check TexInfo in all .m files
Rik <rdrider0-list@yahoo.com>
parents:
8920
diff
changeset
|
22 ## coefficients are represented by the vector @var{c}. The variable |
| 6853 | 23 ## @var{k} is the constant of integration, which by default is set to zero. |
| 24 ## @seealso{poly, polyderiv, polyreduce, roots, conv, deconv, residue, | |
|
8286
6f2d95255911
fix @seealso references to point to existing anchors
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7151
diff
changeset
|
25 ## filter, polyval, polyvalm} |
| 6853 | 26 ## @end deftypefn |
| 27 | |
| 28 ## Author: Tony Richardson <arichard@stark.cc.oh.us> | |
| 29 ## Created: June 1994 | |
| 30 ## Adapted-By: jwe | |
| 31 | |
| 32 function p = polyint (p, k) | |
| 33 | |
| 34 if (nargin < 1 || nargin > 2) | |
| 35 print_usage (); | |
| 36 endif | |
| 37 | |
| 38 if (nargin == 1) | |
| 39 k = 0; | |
| 40 elseif (! isscalar (k)) | |
| 41 error ("polyint: the constant of integration must be a scalar"); | |
| 42 endif | |
| 43 | |
| 44 if (! (isvector (p) || isempty (p))) | |
| 45 error ("argument must be a vector"); | |
| 46 endif | |
| 47 | |
| 48 lp = length (p); | |
| 49 | |
| 50 if (lp == 0) | |
| 51 p = []; | |
| 52 return; | |
| 7151 | 53 endif |
| 6853 | 54 |
| 55 if (rows (p) > 1) | |
| 56 ## Convert to column vector | |
| 57 p = p.'; | |
| 58 endif | |
| 59 | |
| 60 p = [(p ./ [lp:-1:1]), k]; | |
| 61 | |
| 62 endfunction |