io.improbable.keanu.vertices.dbl.nonprobabilistic

Class ConstantDoubleVertex

java.lang.Object

io.improbable.keanu.vertices.Vertex<DoubleTensor>

io.improbable.keanu.vertices.dbl.DoubleVertex

io.improbable.keanu.vertices.dbl.nonprobabilistic.ConstantDoubleVertex

All Implemented Interfaces:

io.improbable.keanu.kotlin.DoubleOperators<DoubleVertex>, io.improbable.keanu.kotlin.Operators<DoubleVertex>, Differentiable, NonProbabilistic<DoubleTensor>, Observable<DoubleTensor>

public class ConstantDoubleVertex
extends DoubleVertex
implements Differentiable, NonProbabilistic<DoubleTensor>

Field Summary

Fields inherited from class io.improbable.keanu.vertices.Vertex

ID_GENERATOR

Constructor Summary

Constructors

Constructor and Description
ConstantDoubleVertex(double constant)
ConstantDoubleVertex(double[] vector)
ConstantDoubleVertex(DoubleTensor constant)

Method Summary

Modifier and Type	Method and Description
DoubleTensor	calculate()
DualNumber	calculateDualNumber(java.util.Map<Vertex,DualNumber> dualNumbers)
DoubleTensor	sample(KeanuRandom random)

Methods inherited from class io.improbable.keanu.vertices.dbl.DoubleVertex

abs, acos, asin, atan, atan2, ceil, cos, div, div, divideBy, divideBy, equalTo, exp, floor, getValue, greaterThan, greaterThanOrEqualTo, lambda, lambda, lessThan, lessThanOrEqualTo, log, matrixMultiply, minus, minus, multiply, multiply, notEqualTo, observe, observe, plus, plus, pow, pow, round, setAndCascade, setAndCascade, setValue, setValue, sigmoid, sin, slice, sum, take, tan, times, times, unaryMinus

Methods inherited from class io.improbable.keanu.vertices.Vertex

addChild, addParent, addParents, equals, eval, getChildren, getConnectedGraph, getId, getLabel, getObservedValue, getParents, getRawValue, getShape, getValue, hashCode, hasValue, isObserved, isProbabilistic, lazyEval, observe, observeOwnValue, sample, setAndCascade, setLabel, setParents, setParents, setValue, unobserve

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.improbable.keanu.vertices.dbl.Differentiable

getDualNumber, keepOnlyDifferentiableVertices

Methods inherited from interface io.improbable.keanu.vertices.NonProbabilistic

contradictsObservation

Methods inherited from interface io.improbable.keanu.vertices.Observable

getObservedValue, isObserved, observableTypeFor, observe, unobserve

Constructor Detail

ConstantDoubleVertex

public ConstantDoubleVertex(DoubleTensor constant)

ConstantDoubleVertex

public ConstantDoubleVertex(double constant)

ConstantDoubleVertex

public ConstantDoubleVertex(double[] vector)

Method Detail

calculateDualNumber

public DualNumber calculateDualNumber(java.util.Map<Vertex,DualNumber> dualNumbers)

Specified by:

calculateDualNumber in interface Differentiable

Overrides:

calculateDualNumber in class DoubleVertex

sample

public DoubleTensor sample(KeanuRandom random)

Specified by:

sample in class Vertex<DoubleTensor>

Parameters:

random - source of randomness

Returns:

a sample from the vertex's distribution. For non-probabilistic vertices, this will always be the same value.

calculate

public DoubleTensor calculate()

Specified by:

calculate in interface NonProbabilistic<DoubleTensor>