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explicitly broadcast sigmoid

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Mike J Innes 2017-08-19 22:04:47 +01:00
parent 4a9dc40e7c
commit ad0e0ea5a7
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src/layers/stateless.jl
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@ -1,6 +1,6 @@
# Activation Functions # Activation Functions
σ(x) = 1 ./ (1 + exp.(-x)) σ(x) = 1 / (1 + exp(-x))
# back!(::typeof(σ), Δ, x) = Δ .* σ(x).*(1.-σ(x)) # back!(::typeof(σ), Δ, x) = Δ .* σ(x).*(1.-σ(x))
relu(x) = max(0, x) relu(x) = max(0, x)