用于进行系统聚类分析的MATLAB代码，因为激活要上传代码所以随便弄了一个，基本没什么用，真的要进行系统聚类也不要用我的这个代码，打成函数比较好。(This code is used for clustering analysis. I upload this to active my account, and this file is almost useless. If you really have to do clustering analysis, achieving the method with an function is more sufficient.)