view toolboxes/distance_learning/mlr/cuttingPlane/cpGradientDODMKL.m @ 0:cc4b1211e677 tip

initial commit to HG from Changeset: 646 (e263d8a21543) added further path and more save "camirversion.m"
author Daniel Wolff
date Fri, 19 Aug 2016 13:07:06 +0200
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function dPsi = cpGradientDODMKL(X, S)

    [d,n,m] = size(X);

    dPsi    = zeros(m,m,d);

    for i = 1:m
        dPsi(i,i,:)     = diag(X(:,:,i) * S * X(:,:,i)');
        for j = (i+1):m
            Q           = X(:,:,i) + X(:,:,j);
            dPsi(i,j,:) = diag( Q * S * Q');
        end
    end
end