【神经网络BP预测期货收盘价】：用开盘价、最高价、最低价、收盘价数据预测未来几天的收盘价，训练方法为trainlm。数据只需要一个txt文件，可以自己网上下载，TB或文化软件提取，本人提供了一份txt的开高低收文件。-[BP neural network to predict futures closing price]: with open, high, low, close price data to predict the closing price of the next few days, the training method trainlm. Data only need a txt file, you can download your own, TB or cultural software to extract, I provide a level of income to open a txt file in.