# Dongxi NLP explains Kullback–Leibler divergence for post-training with only multiplication

> Original title: Post training 系列第 6 篇：

- Source: Dongxi NLP
- Published: 2026-11-05T07:23:55.000Z
- Bad Influence: https://badinfluence.news/items/iw276yg1dlftc3932sr38gljj
- Original: https://x.com/dongxi_nlp/status/2118242893563674685

## Summary

Dongxi NLP publishes the sixth part of its post-training series, explaining Kullback–Leibler (KL) divergence. The post says readers need only multiplication skills to follow the explanation.

## Post

Post training 系列第 6 篇：

Kullback–Leibler divergence

只需要会乘法，就能读懂 KL!

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Famplify_video_thumb%2F2118242808163168256%2Fimg%2FRh5fjpKdBY7K85H0.jpg&mode=thumb&exp=1794096000&sig=8b3b1cf0f376963a)

## Quoted post @dongxi_nlp

> https://x.com/i/article/2118081140015656961

https://x.com/dongxi_nlp/status/2118241835348893885