wolffd@0: function r = regularizeTraceFull(W, X, gradient)
wolffd@0: %
wolffd@0: % r = regularizeTraceFull(W, X, gradient)
wolffd@0: %
wolffd@0: %
wolffd@0:     d = length(W);
wolffd@0: 
wolffd@0:     if gradient
wolffd@0:         r = eye(d) / d;
wolffd@0:     else
wolffd@0:         r = trace(W) / d;
wolffd@0:     end
wolffd@0: end