An embedding is a lookup table, and everything else is how you fill it
Originally published at cchinchilla.dev . Part 2 of From code to weights, a 12-part series on ML fundamentals for engineers. Part 1 ended on an index. The tokenizer turns text into ids, an id is a row number, and the row lives in a matrix the model was born with. This post reads that matrix. It's s…
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- 2026-09-22 13:00 · DEV Community — Machine Learning
An embedding is a lookup table, and everything else is how you fill it