matlab源程序：

用Fisher两类判别法对样本进行分类

对样本进行主成分分析

用最短距离算法的系统聚类对样本进行聚类

用二次完全式回归法估计一个因变量与两个自变量之间的关系

-matlab source: The Fisher discriminant method, two types of samples to classify the samples by principal component analysis system using the shortest distance clustering algorithm for clustering of samples with the quadratic regression method to estimate a fully dependent variable and two independent variables of the the relationship between the