Table 2.

Backpropagation MLP training algorithms for the prediction of the shape of a vertical jet fire of propane.

Backpropagation algorithms	Function	Testing mean square error (MSE)	Regression R2 value	Epoch	Run Time (min)
Levenberg-Marquardt	trainlm	0.0037361	0.99244	15	0.35
Bayesian Regularization	trainbr	0.0028691	0.99315	100	0.52
Scaled Conjugate Gradient	trainscg	0.0064836	0.98842	62	0.23