是神经网络30个案例分析的源码，利用神经网络进行非线性拟合，对此具有详细的注释。-This is the neural network of 30 case analysis of the source, the use of neural networks for nonlinear fitting, which has a detailed note.u975E　u7EBF　u6027　 u62DF　u5408　uFF0C　u5BF9　u6B64　u5177　u6709　u8BE6　u7EC6　u7684　u6CE8　u91CA　u3002