中文说明：该程序包包含vbgmm程序代码，主要有vbgmm函数编写参考了PRML书籍上的数学公式，结合具体实例，实现了Vbgmm算法。
English Description：
This package contains the vbgmm code, mainly vbgmm functions written in reference to the mathematical formula PRML on the books, combined with concrete examples, the realization of the Vbgmm algorithm.