SparseEuclideanDistance

java.lang.Object

smile.math.distance.SparseEuclideanDistance

All Implemented Interfaces:: Serializable, ToDoubleBiFunction<SparseArray,SparseArray>, Distance<SparseArray>, Metric<SparseArray>

public class SparseEuclideanDistance extends Object implements Metric<SparseArray>

Euclidean distance on sparse arrays.

See Also:

Constructor Summary

Constructors

Constructor

Description

SparseEuclideanDistance()

Constructor.

SparseEuclideanDistance(double[] weight)

Constructor with a given weight vector.
Method Summary

Modifier and Type

Method

Description

double

d(SparseArray x, SparseArray y)

Returns the distance measure between two objects.

String

toString()

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface smile.math.distance.Distance
apply, applyAsDouble, D, D

Constructor Details
- SparseEuclideanDistance
  
  public SparseEuclideanDistance()
  
  Constructor. Standard (unweighted) Euclidean distance.
- SparseEuclideanDistance
  
  public SparseEuclideanDistance(double[] weight)
  
  Constructor with a given weight vector.
  
  Parameters:
  
  weight - the weight vector.
Method Details
- toString
  
  public String toString()
  
  Overrides:
  
  toString in class Object
- d
  
  public double d(SparseArray x, SparseArray y)
  
  Description copied from interface: Distance
  
  Returns the distance measure between two objects.
  
  Specified by:
  
  d in interface Distance<SparseArray>
  
  Parameters:
  
  x - an object.
  
  y - an object.
  
  Returns:
  
  the distance.