Package org.dulab.javanmf.measures

Class EuclideanDistance

java.lang.Object

org.dulab.javanmf.measures.Measure

org.dulab.javanmf.measures.EuclideanDistance

public class EuclideanDistance
extends Measure

Calculates the distance between matrices X and WH using the euclidean distance || X − WH ||²

Author:

Du-Lab Team dulab.binf@gmail.com

Constructor Summary

Constructors

Constructor	Description
EuclideanDistance()

Method Summary

Modifier and Type	Method	Description
double	get(org.ejml.data.DMatrixRMaj x, org.ejml.data.DMatrixRMaj w, org.ejml.data.DMatrixRMaj h)	Returns distance between matrices X and WH

Methods inherited from class java.lang.Object

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

Constructor Details

EuclideanDistance

public EuclideanDistance()

Method Details

get

public double get(@Nonnull org.ejml.data.DMatrixRMaj x, @Nonnull org.ejml.data.DMatrixRMaj w, @Nonnull org.ejml.data.DMatrixRMaj h)

Description copied from class: Measure

Returns distance between matrices X and WH

Specified by:

get in class Measure

Parameters:

x - matrix of shape [N_points, N_vectors]

w - matrix of shape [N_points, N_components]

h - matrix of shape [N_components, N_vectors]

Returns:

distance value