comparison toolboxes/distance_learning/mlr/cuttingPlane/cpGradientDiagMKL.m @ 0:e9a9cd732c1e tip

first hg version after svn

+function dPsi = cpGradientDiagMKL(X, S, batchsize)
+
+    [d,n,m] = size(X);
+
+    dPsi    = zeros(d,m);
+
+    for i = 1:m
+        dPsi(:,i)    = diag(X(:,:,i) * S * X(:,:,i)');
+    end
+    
+    dPsi = dPsi / batchsize;
+end