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ml-recall

#jeffreys-divergence

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Question 1: True or false

mediumAI-checkedInformation Theory

For two distributions PP and QQ on the same finite set with all probabilities positive, true or false: ∑x(P(x)−Q(x))log⁡P(x)Q(x)=DKL(P∥Q)+DKL(Q∥P)\displaystyle\sum_x \big(P(x) - Q(x)\big) \log \frac{P(x)}{Q(x)} = D_{\mathrm{KL}}(P \| Q) + D_{\mathrm{KL}}(Q \| P).

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