net.sf.tweety.math.norm

Class AggregatingNorm

java.lang.Object

net.sf.tweety.math.norm.AggregatingNorm

All Implemented Interfaces:

java.io.Serializable, Norm<java.util.Vector<java.lang.Double>>, RealVectorNorm

public class AggregatingNorm
extends java.lang.Object
implements RealVectorNorm, java.io.Serializable

This norm uses an aggregator on the 1-norm distance of each value.

Author:

Matthias Thimm

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private AggregationFunction	aggregator The aggregation function used for computing the distance.
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
AggregatingNorm(AggregationFunction aggregator) Creates a new distance function with the given aggregator.

Method Summary

Modifier and Type	Method and Description
double	distance(java.util.Vector<java.lang.Double> l1, java.util.Vector<java.lang.Double> l2) The distance between the two object, i.e.
Term	distanceTerm(Term[] obj1, Term[] obj2) The distance between the two objects as a term.
Term	distanceTerm(java.util.Vector<Term> obj1, java.util.Vector<Term> obj2) The distance between the two objects as a term.
boolean	equals(java.lang.Object obj)
int	hashCode()
double	norm(java.util.Vector<java.lang.Double> obj) Returns the norm of the given object
Term	normTerm(Term[] obj) Returns the norm as a term of the given terms
Term	normTerm(java.util.Vector<Term> obj) Returns the norm as a term of the given terms
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

aggregator

private AggregationFunction aggregator

The aggregation function used for computing the distance.

Constructor Detail

AggregatingNorm

public AggregatingNorm(AggregationFunction aggregator)

Creates a new distance function with the given aggregator.

Parameters:

aggregator - some aggregation function.

Method Detail

distance

public double distance(java.util.Vector<java.lang.Double> l1,
                       java.util.Vector<java.lang.Double> l2)

Description copied from interface: Norm

The distance between the two object, i.e. the norm of the difference vector.

Specified by:

distance in interface Norm<java.util.Vector<java.lang.Double>>

Parameters:

l1 - some object

l2 - some object

Returns:

the distance between the two objects

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

norm

public double norm(java.util.Vector<java.lang.Double> obj)

Description copied from interface: Norm

Returns the norm of the given object

Specified by:

norm in interface Norm<java.util.Vector<java.lang.Double>>

Parameters:

obj - some object

Returns:

the norm of the object

normTerm

public Term normTerm(java.util.Vector<Term> obj)

Description copied from interface: RealVectorNorm

Returns the norm as a term of the given terms

Specified by:

normTerm in interface RealVectorNorm

Parameters:

obj - some term vector

Returns:

the term of the norm

normTerm

public Term normTerm(Term[] obj)

Description copied from interface: RealVectorNorm

Returns the norm as a term of the given terms

Specified by:

normTerm in interface RealVectorNorm

Parameters:

obj - some term array

Returns:

the term of the norm

distanceTerm

public Term distanceTerm(java.util.Vector<Term> obj1,
                         java.util.Vector<Term> obj2)

Description copied from interface: RealVectorNorm

The distance between the two objects as a term.

Specified by:

distanceTerm in interface RealVectorNorm

Parameters:

obj1 - some terms

obj2 - some terms

Returns:

the distance between the two objects as a term

distanceTerm

public Term distanceTerm(Term[] obj1,
                         Term[] obj2)

Description copied from interface: RealVectorNorm

The distance between the two objects as a term.

Specified by:

distanceTerm in interface RealVectorNorm

Parameters:

obj1 - some terms

obj2 - some terms

Returns:

the distance between the two objects as a term