Package org.tweetyproject.math.norm

Class AggregatingNorm

java.lang.Object

org.tweetyproject.math.norm.AggregatingNorm

All Implemented Interfaces:

Serializable, Norm<Vector<Double>>, RealVectorNorm

public class AggregatingNorm
extends Object
implements RealVectorNorm, Serializable

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

Author:

Matthias Thimm

See Also:

• Serialized Form

Constructor Summary

Constructors

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

Method Summary

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

AggregatingNorm

public AggregatingNorm(AggregationFunction aggregator)

Creates a new distance function with the given aggregator.

Parameters:

aggregator - some aggregation function.

Method Details

distance

public double distance(Vector<Double> l1,
 Vector<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<Vector<Double>>

Parameters:

l1 - some object

l2 - some object

Returns:

the distance between the two objects

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

norm

public double norm(Vector<Double> obj)

Description copied from interface: Norm

Returns the norm of the given object

Specified by:

norm in interface Norm<Vector<Double>>

Parameters:

obj - some object

Returns:

the norm of the object

normTerm

public Term normTerm(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(Vector<Term> obj1,
 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