diff toolboxes/distance_learning/mlr/regularize/regularizeMKLDOD.m @ 0:cc4b1211e677 tip

initial commit to HG from
Changeset:
646 (e263d8a21543) added further path and more save "camirversion.m"

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/distance_learning/mlr/regularize/regularizeMKLDOD.m	Fri Aug 19 13:07:06 2016 +0200
@@ -0,0 +1,26 @@
+function r = regularizeMKLDOD(W, X, gradient)
+%
+% r = regularizeMKLDOD(W, X, gradient)
+%
+%
+
+    [d,n,m] = size(X);
+
+    if gradient
+        r = zeros(m,m,d);
+        for i = 1:m
+            r(i,i,:) = diag(X(:,:,i));
+            for j = (i+1):m
+                r(i,j,:) = diag(X(:,:,i)) + diag(X(:,:,j));
+            end
+        end
+    else
+        r = 0;
+        for i = 1:m
+            r = r + squeeze(W(i,i,:))' * diag(X(:,:,i));
+            for j = (i+1):m
+                r = r + squeeze(W(i,j,:))' * (diag(X(:,:,i)) + diag(X(:,:,j)));
+            end
+        end
+    end
+end