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

物探中基于BP神经网络模型煤层含气量预测-In the geophysical prospecting based on BP neural network model to predict coal bed gas content