source:
proiecte/PPPP/ica/zeroMn.m
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110
Last change on this file since 110 was 94, checked in by , 14 years ago | |
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File size: 275 bytes |
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[94] | 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 | ||
6 | function Xzm = zeroMn(X); | |
7 | ||
8 | [N,P] = size(X); | |
9 | mx=mean(X'); | |
10 | Xzm=X-(ones(P,1)*mx)'; | |
11 |
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