2022-12-08

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MCMC的复习

MCMC

在整理之前的笔记前，对这部分内容的基本印象：一种算法，用于生成一系列数据，这些数据的分布满足某个事先制定的概率密度函数模型。比如：生成10000个数据，这些数据遵循mean=0, cov=1的 正态分布  .

当然，确实如此：🔗 [2022-08-20 - Truxton's blog] https://truxton2blog.com/2022-08-20/

吉布斯抽样和MCMC

吉布斯抽样和mcmc

gibbs sampling and mcmc

吉布斯抽样=简化版的一种mcmc

已知概率密度函数，抽出/虚空产出 一些样本，让这些样本满足概率密度函数

非常简单的吉布斯抽样example

非常简单的吉布斯抽样example:

把它理解得更简单一些：