包括随机梯度算法，相对梯度算法，考虑雨衰 阴影 和多径影响，主要为数据分析和统计，用于特征降维，特征融合，相关分析等,车牌识别定位程序的部分功能，基于SVPWM的三电平逆变的matlab仿真，可实现对二维数据的聚类，模式识别中的bayes判别分析算法。-Including stochastic gradient algorithm, the relative gradient algorithm, Consider shadow rain attenuation and multipath effects Mainly for data analysis and statistics, For feature reduction, feature fusion, correlation analysis, Part of the license plate recognition locator feature, Based on SVPWM three-level inverter matlab simulation, Can realize the two-dimensional data clustering, Pattern Recognition bayes discriminant analysis algorithm.