马氏距离判别(MahalanobisDistanceDiscrimination)的演示过程,求均值向量,协方差矩阵及线形判别函数-Mahalanobis distance criterion (MahalanobisDistanceDiscrimina tion) demonstration process for the mean and covariance matrix and linear discriminant function

此程序是丰富了界面的趣味,类似域QQ的贴边功能,当程序具体窗体有一段距离的时候,就会粘上去-this program is to enrich the interesting interface, similar domain QQ affixed to the edge function when the program specific forms is some distance from the government, it would sport

读取矢量数据文件，包括点线面文件，主要·功能有计算两点距离，计算点到线距离，计算折现段周长，计算凸多边形面积。-Read vector data files, including points, lines and documents, the main function · calculate distance between two points is calculated the point to the line, calculate the discount segment peri