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Accord
Neuro
SigmoidFunction
Derivative
Accord.Neuro.SigmoidFunction.Derivative C# (CSharp) Method
SigmoidFunction Class Documentation
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Derivative()
public
method
Calculates function derivative.
The method calculates function derivative at point
x
.
public
Derivative
(
double
x
) :
double
x
double
Function input value.
return
double
public double Derivative( double x ) { double y = Function( x ); return ( alpha * y * ( 1 - y ) ); }
SigmoidFunction
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Derivative
Derivative2
Function
SigmoidFunction