11.4隐变量的视角

文档摘要

11.4 隐变量的视角 11.4.1 生成过程和概率模型 $$ p(\boldsymbol{x}|z{k} = 1) = \mathcal{N}(\boldsymbol{x}|\boldsymbol{\mu}{k}, \boldsymbol{\Sigma}{k}). \tag{11.58} $$ $$ p(z) = \boldsymbol{\pi} = [\pi{1}, \dots, \pi{K}]^{\top}, \quad \sum\limits{k=1}^{K} \pi{k} = 1, \tag{11.59} $$ $$ \pi{k} = p(z{k} = 1) \tag{11.