I don't think variational methods are that big a step beyond integration by part... | Hacker News

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		whatshisface on Feb 23, 2023 \| parent \| context \| favorite \| on: Physics and Mathematics Self-Study Project I don't think variational methods are that big a step beyond integration by parts.

Koshkin on Feb 23, 2023 [–]

The Lazy Universe by Coopersmith may provide some intuition as well.

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