org.apache.ignite.ml.math.impls.vector

Class SingleElementVector

java.lang.Object

org.apache.ignite.ml.math.impls.vector.AbstractVector

org.apache.ignite.ml.math.impls.vector.SingleElementVector

All Implemented Interfaces:

Externalizable, Serializable, Destroyable, MetaAttributes, StorageOpsMetrics, Vector

public class SingleElementVector
extends AbstractVector

Read-write vector holding a single non-zero value at some index.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.ignite.ml.math.Vector

Vector.Element

Constructor Summary

Constructors

Constructor and Description
SingleElementVector()
SingleElementVector(int size, int idx, double val)
SingleElementVector(Map<String,Object> args)

Method Summary

Modifier and Type	Method and Description
Vector	like(int crd) Creates new empty vector of the same underlying class but of different cardinality.
Matrix	likeMatrix(int rows, int cols) Creates new matrix of compatible flavor with given size.
Vector.Element	maxElement() Gets maximum element in this vector.
Vector.Element	minElement() Gets minimal element in this vector.
int	nonZeroElements() Gets number of non-zero elements in this vector.
double	sum() Gets the sum of all elements in this vector.

Methods inherited from class org.apache.ignite.ml.math.impls.vector.AbstractVector

all, allSpliterator, assign, assign, assign, assign, checkCardinality, checkCardinality, checkCardinality, checkIndex, compute, copy, cross, destroy, divide, dot, dotSelf, equals, foldMap, foldMap, get, getDistanceSquared, getElement, getLengthSquared, getMetaStorage, getStorage, getX, guid, hashCode, increment, incrementX, isArrayBased, isDense, isDistributed, isRandomAccess, isSequentialAccess, isZero, kNorm, logNormalize, logNormalize, makeElement, map, map, map, maxValue, minus, minValue, nonZeroes, nonZeroSpliterator, normalize, normalize, plus, plus, readExternal, set, setStorage, setX, size, sort, storageGet, storageSet, times, times, toMatrix, toMatrixPlusOne, viewPart, writeExternal

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.ml.math.MetaAttributes

getAttribute, hasAttribute, removeAttribute, setAttribute

Constructor Detail

SingleElementVector

public SingleElementVector()

SingleElementVector

public SingleElementVector(int size,
                           int idx,
                           double val)

Parameters:

size - Parent vector size.

idx - Index of the parent vector element.

val - Value of the vector element.

SingleElementVector

public SingleElementVector(Map<String,Object> args)

Parameters:

args - Parameters to create new vector instance.

Method Detail

minElement

public Vector.Element minElement()

Gets minimal element in this vector.

Specified by:

minElement in interface Vector

Overrides:

minElement in class AbstractVector

Returns:

Minimal element.

maxElement

public Vector.Element maxElement()

Gets maximum element in this vector.

Specified by:

maxElement in interface Vector

Overrides:

maxElement in class AbstractVector

Returns:

Maximum element.

sum

public double sum()

Gets the sum of all elements in this vector.

Specified by:

sum in interface Vector

Overrides:

sum in class AbstractVector

Returns:

Vector's sum

nonZeroElements

public int nonZeroElements()

Gets number of non-zero elements in this vector.

Specified by:

nonZeroElements in interface Vector

Overrides:

nonZeroElements in class AbstractVector

Returns:

Number of non-zero elements in this vector.

like

public Vector like(int crd)

Creates new empty vector of the same underlying class but of different cardinality.

Parameters:

crd - Cardinality for new vector.

Returns:

New vector.

likeMatrix

public Matrix likeMatrix(int rows,
                         int cols)

Creates new matrix of compatible flavor with given size.

Parameters:

rows - Number of rows.

cols - Number of columns.

Returns:

New matrix.