net.sf.tweety.math.norm

Class ProbabilisticPNorm

java.lang.Object

net.sf.tweety.math.norm.ProbabilisticPNorm

All Implemented Interfaces:

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

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

This class implement the p-norm distance function where distances are normalized corresponding to their distance to 0.5.

Author:

Matthias Thimm

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private int	c The parameter of the normalization.
private int	p The parameter for the p-norm.
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
ProbabilisticPNorm(int p, int c) Creates a new p-norm distance function where distances are normalized.

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

p

private int p

The parameter for the p-norm.

c

private int c

The parameter of the normalization.

Constructor Detail

ProbabilisticPNorm

public ProbabilisticPNorm(int p,
                          int c)

Creates a new p-norm distance function where distances are normalized.

Parameters:

p - the parameter for the p-norm.

c - the parameter of the normalization.

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