Flux.jl/src/layers/stateless.jl
2017-08-23 17:50:43 +01:00

8 lines
208 B
Julia

# Cost functions
mse(, y) = sum(( .- y).^2)/2
# back!(::typeof(mse), Δ, ŷ, y) = Δ .* (ŷ .- y)
logloss(, y) = -sum(y .* log.())
# back!(::typeof(logloss), Δ, ŷ, y) = 0 .- Δ .* y ./ ŷ