Table 1. Training Function Setting.

training function	abbreviation
Levenberg–Marquardt	trainlm
Bayesian regularization	trainbr
resilient backpropagation	trainrp
BFGS quasi-Newton	trainbfg
conjugate gradient with Fletcher–Reeves updates	traincgf
conjugate gradient with Powell–Beale restarts	traincgb
conjugate gradient with Polak–Ribiére updates	traincgp