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# lyngby_nn_qdev

## (export/lyngby/lyngby_nn_qdev.m)

### Function Synopsis

[dEV, H12] = lyngby_nn_qdev(X, H, V, W, EY)

### Help text

lyngby_nn_qdev - Quadratic neural network, input, 1st der.
function [dEV, H12] = lyngby_nn_qdev(X, H, V, W, EY)
Input: X Neural network input
H Hidden layer
V Input weights
W Output weights
EY Error on output
Output dEV First Order Derivative
H12 1 - tanh2(V*I)
First order derivative for the error function of the quadratic
neural network with respect to the input weights.
See also: lyngby_nn_qdew

### Cross-Reference Information

This function is called by

Produced by mat2html on Wed Jul 29 15:43:40 2009

Cross-Directory links are: OFF