Mercurial > hg > camir-aes2014

diff 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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/KPMtools/centeringMatrix.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,8 @@
+N = 3;
+x = rand(N,2); % each row is a feature vector 
+m = mean(x,1);
+xc = x-repmat(m, N, 1);
+
+C = eye(N) - (1/N)*ones(N,N);
+xc2 = C*x;
+assert(approxeq(xc, xc2))