遗传算法程序包，包括用GA直接训练BP网络的权重算法，用GA先求BP网络的权重，再用纯BP直接训练BP的混合GA－BP算法，以及纯BP算法-Genetic Algorithm package, including direct training GA weight of BP network algorithm, first used GA for the weight of BP network, and then trained BP net BP mixed directly GA-BP algorithm, as well as the pure BP algorithm