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Merge e99043d4ac7412554fc0d3ed95e79fe6fbb62ddc into 74ae077eafb245fa3bdca0288854b6d51f97fe60

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Mikael VALLENET 2023-01-05 13:45:03 +01:00 committed by GitHub
commit d781c9002e
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8
neural/funcs.go
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@ -12,6 +12,14 @@ var Sigmoid NeuralFunction = NeuralFunction{
func(v float64) float64 { return v * (1 - v) }, func(v float64) float64 { return v * (1 - v) },
} }
// TanhForward function does tanh(t) = \frac{1 - e^{-2t}}{1 + e^{-2t}}
//
// See https://en.wikipedia.org/wiki/Hyperbolic_functions
var Tanh NeuralFunction = NeuralFunction{
func(v float64) float64 { return math.Tanh(v) },
func(v float64) float64 { return 1 - (v * v) },
}
// LinearFunction doesn't modify the value // LinearFunction doesn't modify the value
var Linear NeuralFunction = NeuralFunction{ var Linear NeuralFunction = NeuralFunction{
func(v float64) float64 { return v }, func(v float64) float64 { return v },