Book Notes

Notes on the mathematical foundations, network structure, and regularization sections of Deep Learning.

3 posts

Illustration of Alex drawing glowing neural network diagrams beside an open Deep Learning book
March 7, 2026

A concrete way to understand dropout in deep learning: sampled subnetworks with shared weights, standing in for a much more expensive ensemble.

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Illustration of Alex studying neural network diagrams beside a lake
February 15, 2026

Chapter 6 separates representational capacity, parameter efficiency, and learnability—and shows why depth changes scaling, not just expressiveness.

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Illustration of Alex studying at a classroom desk in front of a chalkboard covered with math
February 7, 2026

Part I of Goodfellow, Bengio, and Courville works best as shared vocabulary for later chapters, with proof details still worth supplementing.

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