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 2018-1-3

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https://ww2.mathworks.cn/matlabcentral/answers/375451-why-is-the-learning-rate-for-the-bias-usually-twice-as-large-as-the-the-lr-for-the-weights

编辑： Image Analyst 2018-1-5

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 2018-1-4

Please post the proof of this assertion.

Greg

Salma Hassan 2018-1-5

编辑：Image Analyst 2018-1-5

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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