A clear path from foundations to systems
Learn AI in layers.
Start with the small picture. Open the detailed notes when you are ready to see how the pieces fit.
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THE LEARNING PATH
Choose a module and follow the nodes.
Each lesson has a quick ELI5 view and a deeper reading path.
WORK IT OUT, THEN BUILD IT
Deeper studies, labs, and papers.
Follow the curriculum first, then test your understanding with a complete worked study.
- Why softmax cross-entropy produces p − y
Foundation · Derive the gradient, calculate a small example, and check it with autograd.
- Build causal attention with a correct incremental KV cache
Hands-on lab · Test masks, cache positions, and full-sequence equivalence.
- Attention Is All You Need: a careful paper walkthrough
Research reading · Connect the original Transformer architecture to a small runnable experiment.