io.improbable.keanu.algorithms.mcmc.nuts

Interface Potential

All Known Implementing Classes:

AdaptiveQuadraticPotential

public interface Potential

Method Summary

Modifier and Type	Method and Description
double	getKineticEnergy(java.util.Map<VariableReference,DoubleTensor> momentum, java.util.Map<VariableReference,DoubleTensor> velocity)
java.util.Map<VariableReference,DoubleTensor>	getVelocity(java.util.Map<VariableReference,DoubleTensor> momentum)
void	initialize(java.util.Map<VariableReference,DoubleTensor> shapeLike)
java.util.Map<VariableReference,DoubleTensor>	randomMomentum(KeanuRandom random)
void	update(java.util.Map<VariableReference,DoubleTensor> position)

Method Detail

initialize

void initialize(java.util.Map<VariableReference,DoubleTensor> shapeLike)

update

void update(java.util.Map<VariableReference,DoubleTensor> position)

randomMomentum

java.util.Map<VariableReference,DoubleTensor> randomMomentum(KeanuRandom random)

getVelocity

java.util.Map<VariableReference,DoubleTensor> getVelocity(java.util.Map<VariableReference,DoubleTensor> momentum)

getKineticEnergy

double getKineticEnergy(java.util.Map<VariableReference,DoubleTensor> momentum,
                        java.util.Map<VariableReference,DoubleTensor> velocity)