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Backpropagation calculus | Deep Learning Chapter 4

3Blue1Brown's chapter 4 on deep learning gives a more formal, symbol-based account of backpropagation calculus, connecting the intuition from the previous chapter to the math found in textbooks and code.

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Why HN readers recommended it

Recommended as an accessible, visual way to understand backpropagation and neural networks.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
3Blue1Brown
Topic
backpropagation
Format
explainer
Level
intro
HN recommenders in dataset
3
HN mentions in dataset
4
Recommendation years in dataset
2017–2024

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • This was very timely for me and for anyone else learning, here are the first few videos of the series: [LINK] [LINK] [LINK] (Original video) [VIDEO]

    nouveaux on Hacker News · 2017-11
    In What is backpropagation and what is it doing? [video]

  • I'm in the same boat. For long time, I was interested in AI but at the same time intimidated by math. I'm relatively comfortable with discrete mathematics and classical algorithms and at the same time calculus and linear algebra is completely foreign to me. Also, …

    hal9000xp on Hacker News · 2017-11
    In Ask HN: Best way to get started with AI?

  • I'm just an enthusiast. With that said, I think the author's first image image really captures the core of forward propagation and back propagation. For people who want to get more of a feel on autodiffing, I find these 2 sources amazing [1, 2]. They …

    melvinroest on Hacker News · 2020-06
    In From scratch: reverse-mode automatic differentiation (in Python)

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.

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