Linear algebra for ML
Dot products, projections and least squares, the math under every model.
Start 5 problems
Problems
- 1Cosine similarity between all embeddingsEasy · 10 min · 10 hidden testsSolution free
- 2Project a direction out of embeddingsMedium · 12 min · 10 hidden tests
- 3Fit a linear model by least squaresMedium · 14 min · 10 hidden tests
- 4Find duplicated feature columnsMedium · 15 min · 11 hidden tests
- 5Top eigenvector by power iterationHard · 22 min · 13 hidden tests
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