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#elbo
2 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.
02
2026-08-22
·
Generative Models
·
FREE
·
10 min read
VAEs from Scratch — Stir Probability into "Compress and Restore" and You Get a Generator
An autoencoder that only compresses and restores cannot invent anything new. This walks through why a single drop of probability turns it into a generative model — ELBO, the reparameterization trick, and walking the latent space — assuming no prior knowledge.