view aim-mat/tools/@signal/variance.m @ 0:74dedb26614d

Initial checkin of AIM-MAT version 1.5 (6.4.2011).
author tomwalters
date Fri, 20 May 2011 12:32:31 +0100
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children 20ada0af3d7d
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% method of class @signal
% 
%   INPUT VALUES:
%  
%   RETURN VALUE:
%
% 
% (c) 2003, University of Cambridge, Medical Research Council 
% Stefan Bleeck (stefan@bleeck.de)
% http://www.mrc-cbu.cam.ac.uk/cnbh/aimmanual
% $Date: 2003/01/23 10:56:28 $
% $Revision: 1.4 $

function m=variance(sig)
% returns the mean of the signal

val=getdata(sig);
s=std(val);
m=s*s;