
Day 6 Embeddings — Semantic Similarity, Cosine, and Dense vs Sparse
Day 5 wrapped up chunking and PDF processing. Today we go one layer deeper into embeddings themselves, the piece of the pipeline that actually decides...
I’m a software engineer who likes building things, understanding how they work under the hood, and sharing what I learn along the way. I work across the full stack and enjoy teaching, writing, and growing consistently in tech.

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Day 5 wrapped up chunking and PDF processing. Today we go one layer deeper into embeddings themselves, the piece of the pipeline that actually decides...

On Day 2, we met overfitting and underfitting as the two failure modes of ML. Today we put both of them inside one mental model that explains every mo...

On Day 1, we said a model "learns" from examples. But how do we actually know if it learned, or if it just memorised? That single question is what tra...
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