Created
December 4, 2015 02:27
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An example of using truncated SVD for latent semantic indexing
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| 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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