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#variational-inference
1 articles
01
2026-08-27
·
Calculus & Optimization
·
★ MEMBER
·
13 min read
Calculus of Variations — What It Means to Differentiate a Function
When the thing you are searching for is a shape rather than a number, differentiation has to be reinvented. Functionals and the first variation, the Euler–Lagrange equation, why the fastest slide is a cycloid, and how all of it lands on the ELBO — the variational problem machine learning runs most.