io.improbable.keanu.distributions.continuous

Class Gaussian

java.lang.Object

io.improbable.keanu.distributions.continuous.Gaussian

All Implemented Interfaces:

ContinuousDistribution, Distribution<DoubleTensor>

public class Gaussian
extends java.lang.Object
implements ContinuousDistribution

Field Summary

Fields

Modifier and Type	Field and Description
static double	LN_SQRT_2PI
static double	SQRT_2PI

Method Summary

Modifier and Type	Method and Description
Diffs	dLogProb(DoubleTensor x)
DoubleTensor	logProb(DoubleTensor x)
static DoubleVertex	logProbOutput(DoublePlaceholderVertex x, DoublePlaceholderVertex mu, DoublePlaceholderVertex sigma)
DoubleTensor	sample(long[] shape, KeanuRandom random)
static ContinuousDistribution	withParameters(DoubleTensor mu, DoubleTensor sigma)

Methods inherited from class java.lang.Object

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

Field Detail

SQRT_2PI

public static final double SQRT_2PI

LN_SQRT_2PI

public static final double LN_SQRT_2PI

Method Detail

withParameters

public static ContinuousDistribution withParameters(DoubleTensor mu,
                                                    DoubleTensor sigma)

sample

public DoubleTensor sample(long[] shape,
                           KeanuRandom random)

Specified by:

sample in interface Distribution<DoubleTensor>

logProb

public DoubleTensor logProb(DoubleTensor x)

Specified by:

logProb in interface Distribution<DoubleTensor>

logProbOutput

public static DoubleVertex logProbOutput(DoublePlaceholderVertex x,
                                         DoublePlaceholderVertex mu,
                                         DoublePlaceholderVertex sigma)

dLogProb

public Diffs dLogProb(DoubleTensor x)

Specified by:

dLogProb in interface ContinuousDistribution