Dot Product — Topic Summaries
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Dot products and duality | Chapter 9, Essence of linear algebra
Dot products don’t just measure “how much two vectors point together”—they secretly encode a linear transformation. That deeper link, revealed...
Nonsquare matrices as transformations between dimensions | Chapter 8, Essence of linear algebra
Non-square matrices aren’t a special case—they’re the standard way to encode linear transformations between spaces of different dimensions. A...
Neural Networks from Scratch - P.3 The Dot Product
Neural networks from scratch shift from hand-built Python list math to the linear-algebra machinery that makes deep learning code work: vectors,...