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B06 A SMALL STEP SIDEWAYS

Vectors: lists that work together

To a language model, "cat" is a list of hundreds of numbers. Learn to add, mix, and compare such lists, and see why search engines use cosine similarity rather than raw scores.

LESSON OVERVIEW10 min lesson

Lesson overview

To a language model, "cat" is a list of hundreds of numbers. Learn to add, mix, and compare such lists, and see why search engines use cosine similarity rather than raw scores.

What you’ll explore

  • Add and scale vectors, compute a dot product, mix vectors with weights, and use cosine similarity to compare directions.
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Original explanations, connected to the research.

Deep Learning — linear algebra
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