annotate toolboxes/distance_learning/mlr/regularize/regularizeTwoDiag.m @ 0:e9a9cd732c1e tip

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 function r = regularizeTwoDiag(W, X, gradient)
wolffd@0 2 %
wolffd@0 3 % r = regularizeTwoDiag(W, X, gradient)
wolffd@0 4 %
wolffd@0 5 %
wolffd@0 6 d = length(W);
wolffd@0 7
wolffd@0 8 if gradient
wolffd@0 9 r = W / d;
wolffd@0 10 else
wolffd@0 11 r = sum(sum(W.^2)) / (2 * d);
wolffd@0 12 end
wolffd@0 13 end