详解EM算法和高斯混合模型
https://blog.csdn.net/lin_limin/article/details/81048411
EM算法优秀讲解
https://blog.csdn.net/v_JULY_v/article/details/81708386
⬆️博客中计算步骤有误
正确计算步骤见:
https://blog.csdn.net/justry24/article/details/78043307