- math
- probability
- statistics
- code
- AI
- quantum
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A few tricks in probability and statistics (1): log-derivative trick
some tricks are well-known while some are less
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What is the intuition behind the parameter-shift rule?
$\frac{\pi}{2}$-shift is a good pilot, but let's try any $\epsilon$-shift
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Einstein sum is convenient but slow
it may be worth of time to optimize the einsum() code
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Glasser's master theorem and an application
an integration trick