jfml.term

Class FuzzyTerm

java.lang.Object

jfml.term.Term

jfml.term.FuzzyTerm

Direct Known Subclasses:

AggregatedFuzzyTermType, FuzzyTermType, TsukamotoTermType

public abstract class FuzzyTerm
extends Term

Abstract class for representing the FuzzyTerm types Each fuzzy term has associated a MembershipFunction and a left and right domain from the variable

Author:

sotillo19

Field Summary

Fields

Modifier and Type	Field and Description
static int	TYPE_circularDefinition
static int	TYPE_customMonotonicShape
static int	TYPE_customShape
static int	TYPE_gaussianShape
static int	TYPE_leftGaussianShape
static int	TYPE_leftLinearShape
static int	TYPE_piShape
static int	TYPE_pointSetMonotonicShape
static int	TYPE_pointSetShape
static int	TYPE_rectangularShape
static int	TYPE_rightGaussianShape
static int	TYPE_rightLinearShape
static int	TYPE_singletonShape
static int	TYPE_sShape
static int	TYPE_trapezoidShape
static int	TYPE_triangularShape
static int	TYPE_zShape

Constructor Summary

Constructors

Constructor and Description
FuzzyTerm()

Method Summary

Modifier and Type	Method and Description
abstract FuzzyTerm	copy() Creates a copy of the fuzzy term
abstract java.lang.String	getComplement() Gets the complement (true or false)
float	getFi(float y) Gets the x value from y
MembershipFunction	getMembershipFunction() Gets the MembershipFunction associated to this term
float	getMembershipValue(float x) Gets the membership degree by calculating the membership value of the parameter x to this term
abstract java.lang.String	getName() Gets the name of the fuzzy term
java.util.ArrayList<java.lang.Float>	getXValuesDefuzzifier() This function returns an array with values [x1, x2, x3, ...] which represents points in the x domain of the function needed by defuzzifer
void	initializeMembershipFunction(float domainLeft, float domainRight) This function initializes the membership function associated to this term
void	setType(int type) Sets the value for the type according to the static variables

Methods inherited from class java.lang.Object

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

Field Detail

TYPE_rightLinearShape

public static final int TYPE_rightLinearShape

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Constant Field Values

TYPE_leftLinearShape

public static final int TYPE_leftLinearShape

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Constant Field Values

TYPE_piShape

public static final int TYPE_piShape

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TYPE_triangularShape

public static final int TYPE_triangularShape

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TYPE_gaussianShape

public static final int TYPE_gaussianShape

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Constant Field Values

TYPE_rightGaussianShape

public static final int TYPE_rightGaussianShape

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Constant Field Values

TYPE_leftGaussianShape

public static final int TYPE_leftGaussianShape

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Constant Field Values

TYPE_trapezoidShape

public static final int TYPE_trapezoidShape

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TYPE_singletonShape

public static final int TYPE_singletonShape

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TYPE_rectangularShape

public static final int TYPE_rectangularShape

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TYPE_zShape

public static final int TYPE_zShape

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TYPE_sShape

public static final int TYPE_sShape

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TYPE_pointSetShape

public static final int TYPE_pointSetShape

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TYPE_pointSetMonotonicShape

public static final int TYPE_pointSetMonotonicShape

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TYPE_circularDefinition

public static final int TYPE_circularDefinition

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TYPE_customShape

public static final int TYPE_customShape

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Constant Field Values

TYPE_customMonotonicShape

public static final int TYPE_customMonotonicShape

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Constant Field Values

Constructor Detail

FuzzyTerm

public FuzzyTerm()

Method Detail

getComplement

public abstract java.lang.String getComplement()

Gets the complement (true or false)

Returns:

the complement

setType

public void setType(int type)

Sets the value for the type according to the static variables

Parameters:

type - the value for the type. Possible values: - TYPE_rightLinearShape
- TYPE_leftLinearShape
-TYPE_piShape
-TYPE_triangularShape
-TYPE_gaussianShape
-TYPE_rightGaussianShape
-TYPE_leftGaussianShape
-TYPE_trapezoidShape
-TYPE_singletonShape
-TYPE_rectangularShape
-TYPE_zShape
-TYPE_sShape
-TYPE_pointSetShape
-TYPE_pointSetMonotonicShape
-TYPE_circularDefinition
-TYPE_customShape
-TYPE_customMonotonicShape

getMembershipFunction

public MembershipFunction getMembershipFunction()

Gets the MembershipFunction associated to this term

Returns:

the MembershipFunction associated to this term

getXValuesDefuzzifier

public java.util.ArrayList<java.lang.Float> getXValuesDefuzzifier()

This function returns an array with values [x1, x2, x3, ...] which represents points in the x domain of the function needed by defuzzifer

Returns:

an ArrayList with floats

initializeMembershipFunction

public void initializeMembershipFunction(float domainLeft,
                                         float domainRight)

This function initializes the membership function associated to this term

Parameters:

domainLeft - the left domain

domainRight - the right domain

getMembershipValue

public float getMembershipValue(float x)

Description copied from class: Term

Gets the membership degree by calculating the membership value of the parameter x to this term

Specified by:

getMembershipValue in class Term

Parameters:

x - the value x

Returns:

the membership value of the parameter x to this term

getFi

public float getFi(float y)

Gets the x value from y

Parameters:

y - the y value

Returns:

the x value from y

getName

public abstract java.lang.String getName()

Gets the name of the fuzzy term

Specified by:

getName in class Term

Returns:

the name of the term

copy

public abstract FuzzyTerm copy()

Creates a copy of the fuzzy term

Specified by:

copy in class Term

Returns:

a copy of the term