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authorziejd22018-03-14 23:23:33 -0500
committerGitHub2018-03-14 23:23:33 -0500
commit1ff6baa44e22b91eefb48aea6f3befa078c0489b (patch)
treee0fd79d2e32fd2aedda2eadaed0f19af3514c520 /sourcecodes/bnt-master/KPMtools/centeringMatrix.m
parent6882395afdadf4e982b25b5215071a0932730950 (diff)
parentc80226899f5cdd9f11c163817d59445213f5bef0 (diff)
downloadBNW-1ff6baa44e22b91eefb48aea6f3befa078c0489b.tar.gz
Merge pull request #1 from ziejd2/octave_php_separate
Octave php separate
Diffstat (limited to 'sourcecodes/bnt-master/KPMtools/centeringMatrix.m')
-rw-r--r--sourcecodes/bnt-master/KPMtools/centeringMatrix.m8
1 files changed, 8 insertions, 0 deletions
diff --git a/sourcecodes/bnt-master/KPMtools/centeringMatrix.m b/sourcecodes/bnt-master/KPMtools/centeringMatrix.m
new file mode 100644
index 00000000..92623a0d
--- /dev/null
+++ b/sourcecodes/bnt-master/KPMtools/centeringMatrix.m
@@ -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))