BP神经网络用于函数拟合与模式识别，包括数据分析、绘图等等,有详细的注释，应用小区域方差对比，程序简单，解耦，恢复原信号，多元数据分析的主分量分析投影。- BP neural network function fitting and pattern recognition, Data analysis, plotting, etc., There are detailed notes, Application of small area variance comparison, simple procedures, Decoupling, restore the original signal, Principal component analysis of multivariate data analysis projection.