Mercurial > octave-dspies
diff scripts/signal/periodogram.m @ 3426:f8dde1807dee
[project @ 2000-01-13 08:40:00 by jwe]
author | jwe |
---|---|
date | Thu, 13 Jan 2000 08:40:53 +0000 |
parents | 041ea33fbbf4 |
children | 858695b3ed62 |
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--- a/scripts/signal/periodogram.m Thu Jan 13 08:32:16 2000 +0000 +++ b/scripts/signal/periodogram.m Thu Jan 13 08:40:53 2000 +0000 @@ -1,15 +1,15 @@ ## Copyright (C) 1995, 1996, 1997 Friedrich Leisch -## +## ## This program 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 2, or (at your option) ## any later version. -## +## ## This program 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. -## +## General Public License for more details. +## ## You should have received a copy of the GNU General Public License ## along with this file. If not, write to the Free Software Foundation, ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. @@ -17,7 +17,7 @@ ## usage: periodogram (x) ## ## For a data matrix x from a sample of size n, return the periodogram. - + ## Author: FL <Friedrich.Leisch@ci.tuwien.ac.at> ## Description: Compute the periodogram @@ -28,14 +28,14 @@ if (r == 1) r = c; endif - + retval = (abs (fft (x - mean (x)))) .^ 2 / r; - + endfunction - - + +