net.sourceforge.jFuzzyLogic.membership
Class MembershipFunctionGenericSingleton

java.lang.Object
  net.sourceforge.jFuzzyLogic.membership.MembershipFunction
      net.sourceforge.jFuzzyLogic.membership.MembershipFunctionDiscrete
          net.sourceforge.jFuzzyLogic.membership.MembershipFunctionGenericSingleton

public class MembershipFunctionGenericSingleton
extends MembershipFunctionDiscrete

Generic singleton membership function: Allows 'n' singletons (generic discrete membership function)

Author:

pcingola@users.sourceforge.net

Field Summary

(package private) double[]	x Singleton function values x
(package private) double[]	y Singleton function values y

Fields inherited from class net.sourceforge.jFuzzyLogic.membership.MembershipFunction

discrete, parameters, universeMax, universeMin

Constructor Summary

MembershipFunctionGenericSingleton(double[] x, double[] y)
Constructor for generin (N-values)

Method Summary

boolean	checkParamters(java.lang.StringBuffer errors)
void	estimateUniverse() Try to guess the universe (if not setted)
double	getParameter(int i) Need to override this method (we store parameters differently in this function)
int	getParametersLength() Need to override this method (we store parameters differently in this function)
java.util.Iterator<java.lang.Double>	iterator() Create an iterator for every discrete value (x values)
double	membership(double in) Get membership function's value.
double	membership(int index) Memebership function for point number 'index'
void	setParameter(int i, double value) Need to override this method (we store parameters differently in this function)
int	size() Number of points in this discrete function (i.e.
java.lang.String	toString()
java.lang.String	toStringFCL() FCL representation
double	valueX(int index) Value 'x' for point number 'index'

Methods inherited from class net.sourceforge.jFuzzyLogic.membership.MembershipFunctionDiscrete

chart

Methods inherited from class net.sourceforge.jFuzzyLogic.membership.MembershipFunction

getName, getUniverseMax, getUniverseMin, isDiscrete, setDiscrete, setUniverseMax, setUniverseMin

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

x

double[] x

Singleton function values x

y

double[] y

Singleton function values y

Constructor Detail

MembershipFunctionGenericSingleton

public MembershipFunctionGenericSingleton(double[] x,
                                          double[] y)

Constructor for generin (N-values)

Parameters:

x - : x[] values array

y - : y[] values array

Method Detail

checkParamters

public boolean checkParamters(java.lang.StringBuffer errors)

Specified by:

checkParamters in class MembershipFunction

estimateUniverse

public void estimateUniverse()

Description copied from class: MembershipFunction

Try to guess the universe (if not setted)

Specified by:

estimateUniverse in class MembershipFunction

getParameter

public double getParameter(int i)

Need to override this method (we store parameters differently in this function)

Overrides:

getParameter in class MembershipFunction

getParametersLength

public int getParametersLength()

Need to override this method (we store parameters differently in this function)

Overrides:

getParametersLength in class MembershipFunction

iterator

public java.util.Iterator<java.lang.Double> iterator()

Description copied from class: MembershipFunctionDiscrete

Create an iterator for every discrete value (x values)

Specified by:

iterator in class MembershipFunctionDiscrete

Returns:

An iterator

See Also:

MembershipFunctionDiscrete.iterator()

membership

public double membership(double in)

Description copied from class: MembershipFunction

Get membership function's value.

Specified by:

membership in class MembershipFunction

Parameters:

in - : Variable's 'x' value Note: Output mu be in range [0,1]

See Also:

MembershipFunction.membership(double)

membership

public double membership(int index)

Description copied from class: MembershipFunctionDiscrete

Memebership function for point number 'index'

Specified by:

membership in class MembershipFunctionDiscrete

See Also:

MembershipFunctionDiscrete.membership(int)

setParameter

public void setParameter(int i,
                         double value)

Need to override this method (we store parameters differently in this function)

Overrides:

setParameter in class MembershipFunction

size

public int size()

Number of points in this discrete function (i.e. number of 'singletons')

Specified by:

size in class MembershipFunctionDiscrete

toString

public java.lang.String toString()

Overrides:

toString in class MembershipFunction

See Also:

Object.toString()

toStringFCL

public java.lang.String toStringFCL()

FCL representation

Specified by:

toStringFCL in class MembershipFunction

valueX

public double valueX(int index)

Description copied from class: MembershipFunctionDiscrete

Value 'x' for point number 'index'

Specified by:

valueX in class MembershipFunctionDiscrete