用matlab编的 有什么错误请大家赐教 多多交流-Use of matlab for any errors, please enlighten us more exchanges! !

利用遗传算法优化BP神经网络权值和阈值，然后进行训练，利用训练好的模型进行预估。附实例-The use of genetic algorithm to optimize BP neural network weights and thresholds, and then training, training a good use of forecast models. Attached examples