Token and Positional Embeddings
Ids are integers. The model wants vectors. Two lookup tables sit between them, and the choice of the positional one shapes what the model can learn.
Visual edition planned
This lesson isn’t interactive yet.
It is part of the curriculum and will get the same treatment as Phase 1 — a visual cover, hands-on labs, derivations with numeric checks and a quiz. Until then, the original lesson is the best place to read it:
Part of Phase 19 — Capstone Projects. Use the previous / next cards below to keep browsing the phase.