fuzzydl

Class TriangularFuzzyNumber

java.lang.Object

fuzzydl.Concept

fuzzydl.FuzzyConcreteConcept

fuzzydl.TriangularConcreteConcept

fuzzydl.TriangularFuzzyNumber

public class TriangularFuzzyNumber
extends TriangularConcreteConcept

Fuzzy number defined with a triangular function.

Author:

Fernando Bobillo

Field Summary

Fields inherited from class fuzzydl.Concept

ALL, AND, AT_LEAST_VALUE, AT_MOST_VALUE, ATOMIC, BOTTOM, CHOQUET_INTEGRAL, COMPLEMENT, CONCEPT_BOTTOM, CONCEPT_TOP, CONCRETE, CONCRETE_COMPLEMENT, DEFAULT_NAME, EXACT_VALUE, EXT_NEG_THRESHOLD, EXT_POS_THRESHOLD, FUZZY_NUMBER, FUZZY_NUMBER_COMPLEMENT, G_AND, G_IMPLIES, G_OR, HAS_VALUE, L_AND, L_OR, LOOSE_LOWER_APPROX, LOOSE_UPPER_APPROX, LOWER_APPROX, MODIFIED, MODIFIED_COMPLEMENT, NEG_THRESHOLD, NOT_AT_LEAST_VALUE, NOT_AT_MOST_VALUE, NOT_CHOQUET_INTEGRAL, NOT_EXACT_VALUE, NOT_EXT_NEG_THRESHOLD, NOT_EXT_POS_THRESHOLD, NOT_G_IMPLIES, NOT_HAS_VALUE, NOT_NEG_THRESHOLD, NOT_OWA, NOT_POS_THRESHOLD, NOT_QUANTIFIED_OWA, NOT_QUASI_SUGENO_INTEGRAL, NOT_SELF, NOT_SUGENO_INTEGRAL, NOT_W_MAX, NOT_W_MIN, NOT_W_SUM, NOT_W_SUM_ZERO, NOT_WEIGHTED, NOT_Z_IMPLIES, OR, OWA, POS_THRESHOLD, QUANTIFIED_OWA, QUASI_SUGENO_INTEGRAL, SELF, SOME, SUGENO_INTEGRAL, TIGHT_LOWER_APPROX, TIGHT_UPPER_APPROX, TOP, UPPER_APPROX, W_MAX, W_MIN, W_SUM, W_SUM_ZERO, WEIGHTED, Z_IMPLIES

Constructor Summary

Constructors

Constructor and Description
TriangularFuzzyNumber(double a, double b, double c)
TriangularFuzzyNumber(java.lang.String name, double a, double b, double c)
TriangularFuzzyNumber(java.lang.String name, int type, double a, double b, double c)

Method Summary

Modifier and Type	Method and Description
static TriangularFuzzyNumber	add(TriangularFuzzyNumber t1, TriangularFuzzyNumber t2) Adds two triangular fuzzy numbers.
Concept	complement() Gets the complement of the concept.
static TriangularFuzzyNumber	dividedBy(TriangularFuzzyNumber t1, TriangularFuzzyNumber t2) Divides two triangular fuzzy numbers.
boolean	equals(TriangularFuzzyNumber t) Indicates whether some other fuzzy number is "equal to" this one.
double	getBestNonFuzzyPerformance() Gets the Best Non fuzzy Performance (BNP) of the fuzzy number.
static boolean	hasDefinedRange() Checks if the range of the fuzzy numbers has been defined.
static TriangularFuzzyNumber	minus(TriangularFuzzyNumber t1, TriangularFuzzyNumber t2) Subtracts two triangular fuzzy numbers.
static void	setRange(double minRange, double maxRange) Sets the range of the fuzzy numbers.
static TriangularFuzzyNumber	times(TriangularFuzzyNumber t1, TriangularFuzzyNumber t2) Multiplies two triangular fuzzy numbers.
java.lang.String	toString() Gets a printable name of the concept.

Methods inherited from class fuzzydl.TriangularConcreteConcept

getA, getB, getC, getMembershipDegree, getName, solveAssertion

Methods inherited from class fuzzydl.FuzzyConcreteConcept

computeName, setK1, setK2, solveComplementAssertion

Methods inherited from class fuzzydl.Concept

all, and, and, atLeastValue, atMostValue, complement, containsNegatedSubconcept, containsSubconcept, equals, exactValue, extendedNegThreshold, extendedPosThreshold, gAnd, gAnd, getAtomicConceptNames, getAtomicConcepts, getRole, getType, getValue, getWeight, getWeightVar, gImplies, gOr, gOr, hasNominals, hasValue, hasValue, isAtomic, isComplementedAtomic, isConcrete, kdImplies, lAnd, lAnd, lImplies, looseLowerApprox, looseUpperApprox, lOr, lOr, lowerApprox, nAry, negThreshold, newAtomicConcept, notHasValue, or, or, posThreshold, removeElement, replace, self, setName, setType, setValue, some, tightLowerApprox, tightUpperApprox, upperApprox, weightedConcept, zImplies

Methods inherited from class java.lang.Object

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

Constructor Detail

TriangularFuzzyNumber

public TriangularFuzzyNumber(java.lang.String name,
                             int type,
                             double a,
                             double b,
                             double c)
                      throws FuzzyOntologyException

Throws:

FuzzyOntologyException

TriangularFuzzyNumber

public TriangularFuzzyNumber(java.lang.String name,
                             double a,
                             double b,
                             double c)
                      throws FuzzyOntologyException

Throws:

FuzzyOntologyException

TriangularFuzzyNumber

public TriangularFuzzyNumber(double a,
                             double b,
                             double c)
                      throws FuzzyOntologyException

Throws:

FuzzyOntologyException

Method Detail

add

public static TriangularFuzzyNumber add(TriangularFuzzyNumber t1,
                                        TriangularFuzzyNumber t2)
                                 throws FuzzyOntologyException

Adds two triangular fuzzy numbers.

Parameters:

t1 - A triangular fuzzy numbers.

t2 - Another triangular fuzzy numbers.

Returns:

Sum of the fuzzy numbers.

Throws:

FuzzyOntologyException - fuzzy ontology exception.

minus

public static TriangularFuzzyNumber minus(TriangularFuzzyNumber t1,
                                          TriangularFuzzyNumber t2)
                                   throws FuzzyOntologyException

Subtracts two triangular fuzzy numbers.

Parameters:

t1 - Subject of the subtraction.

t2 - Object of the subtraction.

Returns:

Subtraction of the fuzzy numbers.

Throws:

FuzzyOntologyException - fuzzy ontology exception.

times

public static TriangularFuzzyNumber times(TriangularFuzzyNumber t1,
                                          TriangularFuzzyNumber t2)
                                   throws FuzzyOntologyException

Multiplies two triangular fuzzy numbers.

Parameters:

t1 - A triangular fuzzy numbers.

t2 - Another triangular fuzzy numbers.

Returns:

Product of the fuzzy numbers.

Throws:

FuzzyOntologyException - fuzzy ontology exception.

dividedBy

public static TriangularFuzzyNumber dividedBy(TriangularFuzzyNumber t1,
                                              TriangularFuzzyNumber t2)
                                       throws FuzzyOntologyException

Divides two triangular fuzzy numbers.

Parameters:

t1 - Subject of the division.

t2 - Object of the division.

Returns:

Division of the fuzzy numbers.

Throws:

FuzzyOntologyException - fuzzy ontology exception.

hasDefinedRange

public static boolean hasDefinedRange()

Checks if the range of the fuzzy numbers has been defined.

Returns:

true if the range of the fuzzy numbers has been defined; false otherwise.

setRange

public static void setRange(double minRange,
                            double maxRange)

Sets the range of the fuzzy numbers.

Parameters:

minRange - Lower bound of the range.

maxRange - Upper bound of the range.

getBestNonFuzzyPerformance

public double getBestNonFuzzyPerformance()

Gets the Best Non fuzzy Performance (BNP) of the fuzzy number.

Returns:

BNP of the fuzzy number.

equals

public boolean equals(TriangularFuzzyNumber t)

Indicates whether some other fuzzy number is "equal to" this one.

Parameters:

t - The reference object with which to compare.

Returns:

true if this object is the same as the argument; false otherwise.

complement

public Concept complement()

Description copied from class: FuzzyConcreteConcept

Gets the complement of the concept.

Overrides:

complement in class TriangularConcreteConcept

Returns:

The complement of the concept.

toString

public java.lang.String toString()

Description copied from class: Concept

Gets a printable name of the concept.

Overrides:

toString in class FuzzyConcreteConcept

Returns:

Name of the concept.