Catalano.Neuro.ActivationFunction

Class ParametricReluFunction

java.lang.Object

Catalano.Neuro.ActivationFunction.ParametricReluFunction

All Implemented Interfaces:

IActivationFunction

public class ParametricReluFunction
extends java.lang.Object
implements IActivationFunction

PReLU activation function.

Constructor Summary

Constructors

Constructor and Description
ParametricReluFunction() Initializes a new instance of the ParametricReluFunction function.
ParametricReluFunction(double alpha) Initializes a new instance of the ParametricReluFunction function.

Method Summary

Modifier and Type	Method and Description
double	Derivative(double x) Calculates function derivative.
double	Derivative2(double x) Calculates function derivative.
double	Function(double x) Calculates function value.
double	getAlpha() Get alpha parameter.
void	setAlpha(double alpha) Set alpha parameter.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ParametricReluFunction

public ParametricReluFunction()

Initializes a new instance of the ParametricReluFunction function.

ParametricReluFunction

public ParametricReluFunction(double alpha)

Initializes a new instance of the ParametricReluFunction function.

Parameters:

alpha - Alpha.

Method Detail

getAlpha

public double getAlpha()

Get alpha parameter.

Returns:

Alpha parameter.

setAlpha

public void setAlpha(double alpha)

Set alpha parameter.

Parameters:

alpha - Alpha parameter.

Function

public double Function(double x)

Description copied from interface: IActivationFunction

Calculates function value.

Specified by:

Function in interface IActivationFunction

Parameters:

x - Function input value.

Returns:

Function output value, f(x).

Derivative

public double Derivative(double x)

Description copied from interface: IActivationFunction

Calculates function derivative.

Specified by:

Derivative in interface IActivationFunction

Parameters:

x - Function input value.

Returns:

Function derivative, f'(x).

Derivative2

public double Derivative2(double x)

Description copied from interface: IActivationFunction

Calculates function derivative.

Specified by:

Derivative2 in interface IActivationFunction

Parameters:

x - Function output value - the value, which was obtained with the help of Function method.

Returns:

Function derivative, f'(x).