smile.math.distance

Class ChebyshevDistance

java.lang.Object

smile.math.distance.ChebyshevDistance

All Implemented Interfaces:

java.io.Serializable, Distance<double[]>, Metric<double[]>

public class ChebyshevDistance
extends java.lang.Object
implements Metric<double[]>, java.io.Serializable

Chebyshev distance (or Tchebychev distance), or L_∞ metric is a metric defined on a vector space where the distance between two vectors is the greatest of their differences along any coordinate dimension.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ChebyshevDistance() Constructor.

Method Summary

Modifier and Type	Method and Description
double	d(double[] x, double[] y) Chebyshev distance between the two arrays of type double.
static double	d(float[] x, float[] y) Chebyshev distance between the two arrays of type float.
static double	d(int[] x, int[] y) Chebyshev distance between the two arrays of type integer.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ChebyshevDistance

public ChebyshevDistance()

Constructor.

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

d

public static double d(int[] x,
                       int[] y)

Chebyshev distance between the two arrays of type integer.

d

public static double d(float[] x,
                       float[] y)

Chebyshev distance between the two arrays of type float. NaN will be treated as missing values and will be excluded from the calculation.

d

public double d(double[] x,
                double[] y)

Chebyshev distance between the two arrays of type double. NaN will be treated as missing values and will be excluded from the calculation.

Specified by:

d in interface Distance<double[]>