diff options
Diffstat (limited to 'sourcecodes/bnt-master/KPMtools/centeringMatrix.m')
| -rw-r--r-- | sourcecodes/bnt-master/KPMtools/centeringMatrix.m | 8 |
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)) |