smile.math.distance

Interface Metric<T>

All Superinterfaces:

Distance<T>, java.io.Serializable, java.util.function.ToDoubleBiFunction<T,T>

All Known Implementing Classes:

ChebyshevDistance, EditDistance, EuclideanDistance, JensenShannonDistance, LeeDistance, MahalanobisDistance, ManhattanDistance, MinkowskiDistance, SparseChebyshevDistance, SparseEuclideanDistance, SparseManhattanDistance, SparseMinkowskiDistance

public interface Metric<T>
extends Distance<T>

A metric function defines a distance between elements of a set. Besides non-negativity, isolation, and symmetry, it also has to satisfy triangular inequality.

• non-negativity: d(x, y) ≥ 0
• isolation: d(x, y) = 0 if and only if x = y
• symmetry: d(x, y) = d(x, y)
• triangular inequality: d(x, y) + d(y, z) ≥ d(x, z).

Method Summary

Methods inherited from interface smile.math.distance.Distance

apply, applyAsDouble, D, D, d