


lyngby_nn_cdru - Neural network, regularization, 1st der.
function dRUv = lyngby_nn_cdru(V, W, Reg)
Input: V Input weights
W Output weights
Reg Regularization
Output: dRUv Derivative in a vectorized matrix
First order derivative of the weight decay regularization
wrt. the weights for the classifier neural network.
See also: lyngby_nn_cddru