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Backpropagation, intuitively | Deep Learning Chapter 3
A 13-minute video by 3Blue1Brown about backpropagation, neural networks and gradients, on the AI shelf. It came up in r/agi, in a thread called “3Blue1Brown is now tackling transformers.”.
3Blue1Brown, Video, 13 min, 2017, on the AI shelf
A visual and intuitive explanation of what backpropagation does during neural-network training.
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Reddit uses an earlier title; the exact linked video ID matches current YouTube metadata.







