io.improbable.keanu.algorithms.variational.optimizer

Interface FitnessFunctionGradient

All Known Implementing Classes:

LogLikelihoodFitnessFunctionGradient, LogProbFitnessFunctionGradient, ProbabilityFitnessFunctionGradient

public interface FitnessFunctionGradient

Method Summary

Modifier and Type	Method and Description
java.util.Map<? extends VariableReference,DoubleTensor>	getGradientsAt(java.util.Map<VariableReference,DoubleTensor> values)

Method Detail

getGradientsAt

java.util.Map<? extends VariableReference,DoubleTensor> getGradientsAt(java.util.Map<VariableReference,DoubleTensor> values)

Parameters:

values - the values of the variables in the fitness function.

Returns:

The gradient of the fitness function with respect to each of the variables specified in values at the values specified.