中文说明：张学工老师模式识别第一次作业，用贝叶斯方法和正态分布的监督参数估计对身高体重二维数据进行性别分类
English Description：
In the first assignment of pattern recognition by Mr. Zhang Xuegong, Bayesian method and supervised parameter estimation of normal distribution are used to classify the two-dimensional data of height and weight