exacity / exacity/deeplearningbook-chinese

19章 542页 “因为Dirac分布的熵的微分趋于负无穷”,为什么?

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Description

Dirac分布 是只有一个值的离散分布,熵应该是0。
为什么说熵的微分是负无穷? 对谁的微分?

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