net.sourceforge.jFuzzyLogic.defuzzifier
Class DefuzzifierDiscrete

java.lang.Object
  net.sourceforge.jFuzzyLogic.defuzzifier.Defuzzifier
      net.sourceforge.jFuzzyLogic.defuzzifier.DefuzzifierDiscrete

Direct Known Subclasses:

DefuzzifierCenterOfGravitySingletons

public abstract class DefuzzifierDiscrete
extends Defuzzifier

Generic discrete defuzzifier (a defuzzifier for continuous membership functions)

Author:

pcingola@users.sourceforge.net

Field Summary

(package private) java.util.HashMap<java.lang.Double,java.lang.Double>

discreteValues Funcion values: A generic discrete function x = [x_1, x_2, ....

Fields inherited from class net.sourceforge.jFuzzyLogic.defuzzifier.Defuzzifier

discrete

Constructor Summary

DefuzzifierDiscrete(Variable variable)

Method Summary

org.jfree.chart.JFreeChart	chart(java.lang.String title, boolean showIt) Create a defuzzifier's chart
abstract double	defuzzify() Deffuzification function
double	getDiscreteValue(double x) Get a point's 'y' value
java.util.Iterator	iterator() Get an iterator (on discreteValues' keys)
void	reset() Reset values
void	setPoint(double x, double y) Set a point
int	size() How many points are there in this defuzzifier

Methods inherited from class net.sourceforge.jFuzzyLogic.defuzzifier.Defuzzifier

getName, isDiscrete, setDiscrete, toString, toStringFCL

Methods inherited from class java.lang.Object

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

Field Detail

discreteValues

java.util.HashMap<java.lang.Double,java.lang.Double> discreteValues

Funcion values: A generic discrete function x = [x_1, x_2, .... , x_n] y = [y_1, y_2, .... , y_n] y_i = f[x_i] Values are stored in 'discreteValues' hash

Constructor Detail

DefuzzifierDiscrete

public DefuzzifierDiscrete(Variable variable)

Method Detail

chart

public org.jfree.chart.JFreeChart chart(java.lang.String title,
                                        boolean showIt)

Create a defuzzifier's chart

Specified by:

chart in class Defuzzifier

Parameters:

title - : Title to show (if null => show membership function name)

showIt - : If true, plot is displayed

defuzzify

public abstract double defuzzify()

Deffuzification function

Specified by:

defuzzify in class Defuzzifier

getDiscreteValue

public double getDiscreteValue(double x)

Get a point's 'y' value

iterator

public java.util.Iterator iterator()

Get an iterator (on discreteValues' keys)

reset

public void reset()

Reset values

Specified by:

reset in class Defuzzifier

setPoint

public void setPoint(double x,
                     double y)

Set a point

size

public int size()

How many points are there in this defuzzifier