com.ibm.able.data
Class AbleFuzzySetSigmoid

java.lang.Object
  com.ibm.able.data.AbleLiteral
      com.ibm.able.data.AbleFuzzySet
          com.ibm.able.data.AbleFuzzySetSigmoid

All Implemented Interfaces:

AbleRd, java.io.Serializable

public class AbleFuzzySetSigmoid

extends AbleFuzzySet

implements java.io.Serializable

This class defines the Able data sigmoid fuzzy set. A sigmoid set is an S-shaped curve. The slope can be increasing or decreasing.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.ibm.able.data.AbleFuzzySet

AlphaCutDefault, AlphaCutStrong, AlphaCutWeak, CorrelationMethodDefault, CorrelationMethodMinimise, CorrelationMethodProduct, DefuzzifyMethodAverageHeight, DefuzzifyMethodCentroid, DefuzzifyMethodDefault, DefuzzifyMethodMaxHeight, FUZZY_ADD, FuzzyInferenceMethodDefault, HedgeAbout, HedgeAbove, HedgeBelow, HedgeCloseTo, HedgeExtremely, HedgeGenerally, HedgeInVicinityOf, HedgeNot, HedgeNull, HedgePositively, HedgeSlightly, HedgeSomewhat, HedgeVery, MaxValues, MIN_MAX, myAlphaCut, myComplementFlag, myComplementName, myDomainHi, myDomainLo, myFlexFactor, myNumberOfValues, myParentVar, myPtBeg, myPtCenter, myPtEnd, myPtFlex, myPtLeft, myPtLeftCore, myPtRight, myPtRightCore, myScalarVecSav, mySetDir, mySetName, mySetType, myTruthVecSav, myTruthVector, myWeight, myWidth, PRODUCT_OR, SetDirectionDown, SetDirectionLeft, SetDirectionRight, SetDirectionUp, SetTypeBeta, SetTypeGaussian, SetTypeLinear, SetTypePi, SetTypeSegments, SetTypeShoulder, SetTypeSigmoid, SetTypeTrapezoid, SetTypeTriangle, SetTypeWork

Constructor Summary

AbleFuzzySetSigmoid(AbleFuzzyVariable theParentVar, java.lang.String theName, double theAlphaCut, double thePtBeg, double thePtEnd, double thePtFlex, int theSetDirection)
Create a new fuzzy set.

Method Summary

java.lang.String	arlString() Return a formal rule language string representation of this fuzzy set.
java.lang.String	toString() Retrieve a string describing (the contents of) the object.
java.lang.String	xmlString() Return a formal XML string representation of this fuzzy set.

Methods inherited from class com.ibm.able.data.AbleFuzzySet

arlCRdString, CorrelationMethod, CorrelationMethodRl, CorrelationMethodXml, DefuzzifyMethod, DefuzzifyMethodRl, DefuzzifyMethodXml, FuzzyInferenceMethod, FuzzyInferenceMethodRl, FuzzyInferenceMethodXml, getAlphaCut, getBooleanValue, getDataType, getDataTypeClass, getDataTypeClassName, getDomainHi, getDomainLo, getFlexFactor, getFuzzyValue, getGenericValue, getNumberOfValues, getNumericValue, getPtBeg, getPtCenter, getPtEnd, getPtFlex, getPtLeft, getPtLeftCore, getPtRight, getPtRightCore, getReferent, getScalarVector, getSetDir, getSetName, getSetProperties, getSetType, getStringValue, getTruthValues, getTruthVector, getValue, getWeight, getWidth, Hedge, HedgeRl, HedgeXml, setAlphaCut, SetDirection, SetDirectionRl, SetDirectionXml, SetType, SetTypeRl, SetTypeXml, traceString, xmlCRdString

Methods inherited from class com.ibm.able.data.AbleLiteral

bitwiseAND, bitwiseNOT, bitwiseOR, bitwiseShiftLeft, bitwiseShiftRight, bitwiseShiftRightZeroFill, bitwiseXOR, cmpEq, cmpGt, cmpGtEq, cmpIs, cmpLt, cmpLtEq, cmpNeq, compDivide, compMinus, compModulo, compMultiply, compPlus, compUnaryMinus, getDataTypeAsString, getReferents, getTemplateString, isConstant, logicalAND, logicalNOT, logicalOR

Methods inherited from class java.lang.Object

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

Constructor Detail

AbleFuzzySetSigmoid

public AbleFuzzySetSigmoid(AbleFuzzyVariable theParentVar,
                           java.lang.String theName,
                           double theAlphaCut,
                           double thePtBeg,
                           double thePtEnd,
                           double thePtFlex,
                           int theSetDirection)

Create a new fuzzy set.

Parameters:

theParentVar - A reference to the fuzzy variable that contains this fuzzy set.

theName - The name of this fuzzy set.

theAlphaCut - The low cut-off value for this fuzzy set.

thePtBeg - The point at which the curve is to begin.

thePtEnd - The point at which the curve is to end.

thePtFlex - The point at which the curve is to flex.

theSetDirection - A SetDirection constant, either Up for an increasing slope, or Down for a decreasing slope.

Method Detail

arlString

public java.lang.String arlString()

Return a formal rule language string representation of this fuzzy set.

Returns:

A String describing the object in rule language.

xmlString

public java.lang.String xmlString()

Return a formal XML string representation of this fuzzy set.

Returns:

A String describing the object in XML.

toString

public java.lang.String toString()

Retrieve a string describing (the contents of) the object.

Overrides:

toString in class AbleFuzzySet

Returns:

A String containing the current contents of the object.