Package moa.recommender.rc.utils

Class SparseVector

java.lang.Object

moa.recommender.rc.utils.Vector

moa.recommender.rc.utils.SparseVector

public class SparseVector
extends Vector

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	SparseVector.SparseVectorIterator

Constructor Summary

Constructors

Constructor	Description
SparseVector()
SparseVector(java.util.Map<java.lang.Integer,java.lang.Double> map)

Method Summary

Modifier and Type	Method	Description
SparseVector	copy()
java.lang.Double	get(int index)
java.util.Set<java.lang.Integer>	getIdxs()
java.util.Iterator<Pair<java.lang.Integer,java.lang.Double>>	iterator()
void	remove(int index)
void	set(int index, double val)
int	size()

Methods inherited from class java.lang.Object

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

Methods inherited from class moa.recommender.rc.utils.Vector

dotProduct, norm

Constructor Detail

SparseVector

public SparseVector()

SparseVector

public SparseVector(java.util.Map<java.lang.Integer,java.lang.Double> map)

Method Detail

size

public int size()

Specified by:

size in class Vector

set

public void set(int index,
                double val)

Specified by:

set in class Vector

remove

public void remove(int index)

Specified by:

remove in class Vector

getIdxs

public java.util.Set<java.lang.Integer> getIdxs()

Specified by:

getIdxs in class Vector

copy

public SparseVector copy()

Specified by:

copy in class Vector

get

public java.lang.Double get(int index)

Specified by:

get in class Vector

iterator

public java.util.Iterator<Pair<java.lang.Integer,java.lang.Double>> iterator()

Specified by:

iterator in class Vector