weka.classifiers.neural.common.transfer
Class HyperbolicTangentTransferFunction

java.lang.Object
  weka.classifiers.neural.common.transfer.TransferFunction
      weka.classifiers.neural.common.transfer.HyperbolicTangentTransferFunction

All Implemented Interfaces:

java.io.Serializable

public class HyperbolicTangentTransferFunction
extends TransferFunction

Title: Weka Neural Implementation

Description: ...

Copyright: Copyright (c) 2003

Company: N/A

Version:

1.0

Author:

Jason Brownlee

See Also:

Serialized Form

Field Summary

static double	MAX
static double	MIN

Fields inherited from class weka.classifiers.neural.common.transfer.TransferFunction

LOWER_THREAHOLD, UPPER_THREAHOLD

Constructor Summary

HyperbolicTangentTransferFunction()

Method Summary

double	derivative(double activation, double transferred)
double	getMaximum()
double	getMinimum()
double	transfer(double activation)

Methods inherited from class weka.classifiers.neural.common.transfer.TransferFunction

overflowProtectionTransfer

Methods inherited from class java.lang.Object

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

Field Detail

MAX

public static final double MAX

See Also:

Constant Field Values

MIN

public static final double MIN

See Also:

Constant Field Values

Constructor Detail

HyperbolicTangentTransferFunction

public HyperbolicTangentTransferFunction()

Method Detail

transfer

public double transfer(double activation)

Specified by:

transfer in class TransferFunction

derivative

public double derivative(double activation,
                         double transferred)

Specified by:

derivative in class TransferFunction

getMaximum

public double getMaximum()

Specified by:

getMaximum in class TransferFunction

getMinimum

public double getMinimum()

Specified by:

getMinimum in class TransferFunction