EuclideanDistance (Apache Commons Math 4.0-SNAPSHOT)

java.lang.Object
- org.apache.commons.math4.legacy.ml.distance.EuclideanDistance

All Implemented Interfaces:

DistanceMeasure
```
public class EuclideanDistance
extends Object
implements DistanceMeasure
```
Calculates the L₂ (Euclidean) distance between two points.

Since:

3.2

Constructor Summary

Constructors
Constructor Description

EuclideanDistance()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`compute(double[] a, double[] b)`	Compute the distance between two n-dimensional vectors.

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

- Constructor Detail
  - EuclideanDistance
```
public EuclideanDistance()
```
- Method Detail
  - compute
```
public double compute(double[] a,
                      double[] b)
```
    Compute the distance between two n-dimensional vectors.
    The two vectors are required to have the same dimension.
    
    Specified by:
    
    compute in interface DistanceMeasure
    
    Parameters:
    
    a - the first vector
    
    b - the second vector
    
    Returns:
    
    the distance between the two vectors