中文说明：BP神经网络的matlab代码，主要用于训练的基本步骤和原理，可以用来进行反馈神经网络的基础训练。具有一定的学习意义。配合书籍 ，可以很快的上手算法。
English Description：
The matlab code of BP neural network is mainly used for the basic steps and principles of training, and can be used for the basic training of feedback neural network. It has certain learning significance. With books, you can quickly start the algorithm.