BP数字：

应用matlab中的自带函数，隐含层为11层，输出层为4层



BP自编：

没有应用matlab中的函数，对神经网络自己编写，可以运行-BP numbers:

Application of matlab own function, the hidden layer of 11, the output layer of four



BP self-made:

Not the application of matlab function, the neural network to prepare their own, you can run