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normalhuman/svdtrunc.m

Created December 4, 2015 02:27
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An example of using truncated SVD for latent semantic indexing
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svdtrunc.m
A = [0 1 1 0 1 1; 2 1 1 0 3 0; 0 0 0 4 0 2; 3 2 1 0 1 0; 0 0 1 1 0 3]
[U,D,V] = svd(A)
D2 = D.*(D>=5)
A2 = U*D2*V'
for j=1:6 disp(A2(1,j)/norm(A2(:,j))); end
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