diff toolboxes/distance_learning/mlr/regularize/regularizeMKLDiag.m @ 0:e9a9cd732c1e tip

first hg version after svn

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/distance_learning/mlr/regularize/regularizeMKLDiag.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,20 @@
+function r = regularizeMKLDiag(W, X, gradient)
+%
+% r = regularizeMKL(W, X, gradient)
+%
+%
+
+    [d,n,m] = size(X);
+
+    if gradient
+        r = zeros(d,m);
+        for i = 1:m
+            r(:,i) = diag(X(:,:,i));
+        end
+    else
+        r = 0;
+        for i = 1:m
+            r = r + W(:,i)' * diag(X(:,:,i));
+        end
+    end
+end