org.apache.ignite.ml.util.generators.primitives.vector

Class VectorGeneratorPrimitives

java.lang.Object

org.apache.ignite.ml.util.generators.primitives.vector.VectorGeneratorPrimitives

public class VectorGeneratorPrimitives
extends Object

Collection of predefined vector generators.

Constructor Summary

Constructors

Constructor and Description
VectorGeneratorPrimitives()

Method Summary

Modifier and Type	Method and Description
static VectorGenerator	circle(double radius) Returns vector generator of 2D-vectors from circle-like distribution around zero.
static VectorGenerator	circle(double radius, long seed) Returns vector generator of 2D-vectors from circle-like distribution around zero.
static VectorGenerator	constant(Vector v)
static VectorGenerator	gauss(Vector means, Vector variances) Returns vector generator of vectors from multidimension gauss distribution.
static VectorGenerator	gauss(Vector means, Vector variances, Long seed) Returns vector generator of vectors from multidimension gauss distribution.
static VectorGenerator	parallelogram(Vector bounds) Returns vector generator of vectors from multidimension uniform distribution around zero.
static VectorGenerator	parallelogram(Vector bounds, long seed) Returns vector generator of vectors from multidimension uniform distribution around zero.
static VectorGenerator	ring(double radius, double fromAngle, double toAngle) Returns vector generator of 2D-vectors from ring-like distribution.
static VectorGenerator	ring(double radius, double fromAngle, double toAngle, long seed) Returns vector generator of 2D-vectors from ring-like distribution around zero.
static VectorGenerator	zero(int size)

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorGeneratorPrimitives

public VectorGeneratorPrimitives()

Method Detail

gauss

public static VectorGenerator gauss(Vector means,
                                    Vector variances,
                                    Long seed)

Returns vector generator of vectors from multidimension gauss distribution.

Parameters:

means - Mean values per dimension.

variances - Variance values per dimension.

seed - Seed.

Returns:

Generator.

gauss

public static VectorGenerator gauss(Vector means,
                                    Vector variances)

Returns vector generator of vectors from multidimension gauss distribution.

Parameters:

means - Mean values per dimension.

variances - Variance values per dimension.

Returns:

Generator.

ring

public static VectorGenerator ring(double radius,
                                   double fromAngle,
                                   double toAngle)

Returns vector generator of 2D-vectors from ring-like distribution.

Parameters:

radius - Ring radius.

fromAngle - From angle.

toAngle - To angle.

Returns:

Generator.

ring

public static VectorGenerator ring(double radius,
                                   double fromAngle,
                                   double toAngle,
                                   long seed)

Returns vector generator of 2D-vectors from ring-like distribution around zero.

Parameters:

radius - Ring radius.

fromAngle - From angle.

toAngle - To angle.

seed - Seed.

Returns:

Generator.

parallelogram

public static VectorGenerator parallelogram(Vector bounds)

Returns vector generator of vectors from multidimension uniform distribution around zero.

Parameters:

bounds - Parallelogram bounds.

Returns:

Generator.

parallelogram

public static VectorGenerator parallelogram(Vector bounds,
                                            long seed)

Returns vector generator of vectors from multidimension uniform distribution around zero.

Parameters:

bounds - Parallelogram bounds.

seed - Seed.

Returns:

Generator.

circle

public static VectorGenerator circle(double radius)

Returns vector generator of 2D-vectors from circle-like distribution around zero.

Parameters:

radius - Circle radius.

Returns:

Generator.

circle

public static VectorGenerator circle(double radius,
                                     long seed)

Returns vector generator of 2D-vectors from circle-like distribution around zero.

Parameters:

radius - Circle radius.

seed - Seed.

Returns:

Generator.

zero

public static VectorGenerator zero(int size)

Parameters:

size - Vector size.

Returns:

Generator of constant vector = zero.

constant

public static VectorGenerator constant(Vector v)

Parameters:

v - Constant.

Returns:

Generator of constant vector.