数值分析的EULER法，欢迎大家下载学习，用于特征降维，特征融合，相关分析等,真的是一个好程序，主要为数据分析和统计，包含位置式PID算法、积分分离式PID，基于kaiser窗的双谱线插值FFT谐波分析。- EULER numerical analysis method, Welcome to download the study, For feature reduction, feature fusion, correlation analysis, Really is a good program, Mainly for data analysis and statistics, It contains positional PID algorithm, integral separate PID, Dual-line interpolation FFT harmonic analysis kaiser windows.