jhpro.nnet.jknnl

Class MinkowskiMetric

java.lang.Object

jhpro.nnet.jknnl.MinkowskiMetric

All Implemented Interfaces:

MetricModel

public class MinkowskiMetric
extends java.lang.Object
implements MetricModel

Minkowski metric return distance calculated by function: {sum[(x_i - y_i)^p]}^(1/p)

Constructor Summary

Constructors

Constructor and Description
MinkowskiMetric(double p) Creates a new instance of MinkowskiMetrics.

Method Summary

Modifier and Type	Method and Description
double	getDistance(double[] firstVector, double[] secondVector) Return distance between input vectors.
double[]	getParamateres() Return array of parameters containing p
void	setParameteres(double[] paramateresList) Set parameter p

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MinkowskiMetric

public MinkowskiMetric(double p)

Creates a new instance of MinkowskiMetrics. Default value of the parameter p is 1

Parameters:

p - metrics parameter

Method Detail

setParameteres

public void setParameteres(double[] paramateresList)

Set parameter p

Parameters:

paramateresList - array of parameter

getParamateres

public double[] getParamateres()

Return array of parameters containing p

Returns:

array of parameter containing p

getDistance

public double getDistance(double[] firstVector,
                          double[] secondVector)

Return distance between input vectors. firstVector vector and secondVector must have the same size otherwise function return -1 d = {sum[(x_i - y_i)^p]}^(1/p)

Specified by:

getDistance in interface MetricModel

Parameters:

firstVector - first input vector

secondVector - second input vector

Returns:

distance between vectors