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% cor=autocorr(data) : Calculates autocorrelation function of columns of data

% GUISDAP v.1.60 96-05-27 Copyright Asko Huuskonen and Markku Lehtinen

%

function cor=autocorr(data)



[m n]=size(data);

check=0;



if (m==1)

	data=data';

	check=1;

end;

cor=conv(data,flipud(data));



if (check==1)

	cor=cor';

end;