io.improbable.keanu.distributions.continuous

Class Laplace

java.lang.Object

io.improbable.keanu.distributions.continuous.Laplace

public class Laplace
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Laplace.DiffLogP

Method Summary

Modifier and Type	Method and Description
static Laplace.DiffLogP	dlnPdf(DoubleTensor mu, DoubleTensor beta, DoubleTensor x)
static DoubleTensor	logPdf(DoubleTensor mu, DoubleTensor beta, DoubleTensor x)
static DoubleTensor	sample(int[] shape, DoubleTensor mu, DoubleTensor beta, KeanuRandom random)

Methods inherited from class java.lang.Object

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

Method Detail

sample

public static DoubleTensor sample(int[] shape,
                                  DoubleTensor mu,
                                  DoubleTensor beta,
                                  KeanuRandom random)

Parameters:

shape - shape of tensor returned

mu - location

beta - shape

random - source of randomness

Returns:

a random number from the Laplace distribution

logPdf

public static DoubleTensor logPdf(DoubleTensor mu,
                                  DoubleTensor beta,
                                  DoubleTensor x)

dlnPdf

public static Laplace.DiffLogP dlnPdf(DoubleTensor mu,
                                      DoubleTensor beta,
                                      DoubleTensor x)