Mercurial > hg > camir-aes2014

annotate toolboxes/FullBNT-1.0.7/KPMtools/centeringMatrix.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 N = 3;
wolffd@0 2 x = rand(N,2); % each row is a feature vector
wolffd@0 3 m = mean(x,1);
wolffd@0 4 xc = x-repmat(m, N, 1);
wolffd@0 5
wolffd@0 6 C = eye(N) - (1/N)*ones(N,N);
wolffd@0 7 xc2 = C*x;
wolffd@0 8 assert(approxeq(xc, xc2))