中文说明：
我已经写MATLAB代码算法BP神经网络来实现BP神经网络的功能，实验室报告和MATLAB代码的成功分类，可以直接运行。
English Description：
I have already written the MATLAB code algorithm (BP) neural network to realize the function of the BP neural network, laboratory reports and the success of the classification, the MATLAB code can run directly.