net.sf.tweety.logics.ml.analysis

Class PNormDistanceFunction

java.lang.Object

net.sf.tweety.logics.ml.analysis.PNormDistanceFunction

All Implemented Interfaces:

java.io.Serializable, DistanceFunction

public class PNormDistanceFunction
extends java.lang.Object
implements DistanceFunction

This class implement the p-norm distance function.

Author:

Matthias Thimm

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	normalize Whether the distance should be normalized to [0,1].
private int	p The parameter for the p-norm.
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
PNormDistanceFunction(int p, boolean normalize) Creates a new p-norm distance function.

Method Summary

Modifier and Type	Method and Description
double	distance(java.util.List<java.lang.Double> l1, java.util.List<java.lang.Double> l2) Measures the distance between the two vectors.
boolean	equals(java.lang.Object obj)
int	hashCode()
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.

normalize

private boolean normalize

Whether the distance should be normalized to [0,1].

Constructor Detail

PNormDistanceFunction

public PNormDistanceFunction(int p,
                             boolean normalize)

Creates a new p-norm distance function.

Parameters:

p - the parameter for the p-norm.

Method Detail

distance

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

Description copied from interface: DistanceFunction

Measures the distance between the two vectors.

Specified by:

distance in interface DistanceFunction

Parameters:

l1 - some list of doubles.

l2 - some list of doubles.

Returns:

the distance between the two vectors.

toString

public java.lang.String toString()

Specified by:

toString in interface DistanceFunction

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