hex.optimization

Interface OptimizationUtils.GradientSolver

All Known Implementing Classes:

GLM.GLMGradientSolver, GLM.ProximalGradientSolver

Enclosing class:

OptimizationUtils

public static interface OptimizationUtils.GradientSolver

Provides ginfo computation and line search evaluation specific to given problem. Typically just a wrapper around MRTask calls.

Method Summary

Modifier and Type	Method and Description
OptimizationUtils.GradientInfo	getGradient(double[] beta) Evaluate ginfo at solution beta.
OptimizationUtils.GradientInfo	getObjective(double[] beta)

Method Detail

getGradient

OptimizationUtils.GradientInfo getGradient(double[] beta)

Evaluate ginfo at solution beta.

Parameters:

beta -

Returns:

getObjective

OptimizationUtils.GradientInfo getObjective(double[] beta)