The mathematical backbone of machine learning. Dot products, matrix multiplication, and eigendecomposition form the language of models.
Matrix Multiplication
~12 min· Easy
Gram Matrix (AᵀA)
Cosine Similarity
~15 min· Easy
Average Consensus on a Communication Graph
~20 min· Medium
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Optional multiple-choice questions on the ideas behind this section. Most useful after you have tried the coding problems above.