Why is the learning rate for the bias usually twice as large as the the LR for the weights?

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Salma Hassan
Salma Hassan le 3 Jan 2018
Modifié(e) : Image Analyst le 5 Jan 2018
Why is the learning rate for the bias usually twice as large as the the LR for the weights?
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Greg Heath
Greg Heath le 4 Jan 2018
Please post the proof of this assertion.
Greg
Salma Hassan
Salma Hassan le 5 Jan 2018
Modifié(e) : Image Analyst le 5 Jan 2018
https://datascience.stackexchange.com/questions/23549/why-is-the-learning-rate-for-the-bias-usually-twice-as-large-as-the-the-lr-for-t
on the other hand if you check, for example alexnet layers you will find that net.Layers(N, 1).BiasLearnRateFactor=2 and net.Layers(N, 1).WeightLearnRateFactor = 1

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