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annotate toolboxes/distance_learning/mlr/thresh/threshFull_mixed.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 function result = threshFull_mixed(A, lam)
wolffd@0 2 %return argmin_V lam*||V||_2,1 + 0.5 ||V - A||_F^2
wolffd@0 3 % no symmetry constraint on V
wolffd@0 4
wolffd@0 5 norm = sqrt(sum(A.^2));
wolffd@0 6 result = bsxfun(@times, A, max(1 - (lam ./ norm),0));
wolffd@0 7
wolffd@0 8 end