中文说明：已调试好的数据分布的拟合与检验的matlab程序源代码，内容有卡方拟合优度检验、jbtest函数检验、Kolmogorov-Smirnov检验和画频率直方图
English Description：
The matlab program source code has been debugged, including chi square goodness of fit test, jbtest function test, Kolmogorov Smirnov test and frequency histogram drawing