中文说明：可实现数据特征的提取，得出数据矩阵的特征矩阵，算法包含多种判别方法，经本人亲测，主成分分析有效，望大家支持！
English Description：
Can achieve the extraction of data features, get the characteristic matrix of the data matrix, the algorithm contains a variety of discriminant methods, by my personal test, principal component analysis is effective, hope you support!