Backpropagation, intuitively | Deep Learning Chapter 3
What it is
3Blue1Brown's third deep learning chapter gives a visual, intuitive account of backpropagation and what happens to a neural network as it learns. A follow-up video covers the underlying calculus.
Why Hacker News recommends it
Recommended as the most accessible introduction to backprop for people who struggle with the pure math.
- 4 people recommended it
- 3 different months
- 2 strong recommendations
- first 2017, last 2024
What HN commenters said
“my fear of ML was gone away and I'm very excited to explore whole new world for neural networks”
Accessible math and neural network explanations that removed fear of ML
hal9000xp, 2017-11 · Strong recommendation · in “Ask HN: Best way to get started with AI?”
“I found the explainations by 3Brown1Blue to be very intuitive when it comes to neural networks”
Intuitive backprop explanation for newcomers who struggle with pure math
pastelsky, 2018-06 · Strong recommendation · in “Backpropagation algorithm visual explanation”
“This was very timely for me and for anyone else learning, here are the first few videos of the series”
Part of a video series for learners
nouveaux, 2017-11 · Recommendation · in “What is backpropagation and what is it doing? [video]”
“I recommend 3Blue1Brown's neural net videos instead”
Better alternative to a wordy article
sxp, 2021-04 · Recommendation · in “Backpropagation 101 (2020)”
Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.
Topics: neural networks, backpropagation, deep learning, gradient descent, visual math
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