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by burning_hamster
563 days ago
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> For example, let's say instead of gradient descent you want to do a Newton descent. Then maybe there's a better way to compute the needed weight updates besides backprop? IIRC, feedback alignment [1] approximates Gauss-Newton minimization.
So there is an easier way, that is potentially biologically more plausible, though not necessarily a better way. [1] https://www.nature.com/articles/ncomms13276#Sec20 |
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