🐬 AI-by-hand: Multi-head Latent Attention, RoPE, and MoE in Deepseek.
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Updated
Feb 17, 2025
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ai-by-hand
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Pure Python implementation of a ReAct agent loop, vector routing, memory tracking, and cost analytics from first principles. Mirrors a 6-page "AI by Hand" worksheet with handwritten scans, programmatically verifying sequential reasoning tokens, tool matching via explicit cosine similarity, and context explosion costs without frameworks.
first-principles cosine-similarity pure-python causal-inference react-agent ai-by-hand llm-mechanics agent-loop
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Updated
Jun 9, 2026 - Python
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