source: proiecte/PPPP/ica/zeroMn.m @ 94

Last change on this file since 94 was 94, checked in by (none), 14 years ago

PPPP - ica serial implementation
File size: 275 bytes
Line 
1%function Xzm = zeroMn(X)
2%Returns a zero-mean form of the matrix X. Each row of Xzm will have
3%zero mean, same as in spherex.m. For PCA, put the observations in cols
4%before doing zeroMn(X).
5
6function Xzm = zeroMn(X);
7
8[N,P] = size(X);
9mx=mean(X');
10Xzm=X-(ones(P,1)*mx)';
11
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