The Complete SPRLIB & ANNLIB

erf_bfgs: - compute the Mean Squared Error function used by the BFGS method (LOCAL)

double erf_bfgs

(p)

double *p Vector containing the current weight values.

The current MSE of the network w.r.t. the target sample, which is the function to be minimized by the BFGS method.

This is a local version to speed up the evaluation of this function.

`erf_bfgs`