wehub-resource-sync
7 lines
164 B
Matlab
Executable File
7 lines
164 B
Matlab
Executable File
function [U, D] = ud(X)
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% UD factorization U'*D*U=X'*X;
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% Written by Mo Chen (sth4nth@gmail.com).
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[~,R] = qr(X,0);
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d = diag(R);
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D = d.^2;
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U = bsxfun(@times,R,1./d); |