smile.math

Interface DifferentiableMultivariateFunction

All Superinterfaces:

MultivariateFunction, java.io.Serializable, java.util.function.ToDoubleFunction<double[]>

All Known Implementing Classes:

AbstractDifferentiableMultivariateFunction

public interface DifferentiableMultivariateFunction
extends MultivariateFunction

A differentiable function is a function whose derivative exists at each point in its domain.

Method Summary

Modifier and Type	Method and Description
double	g(double[] x, double[] gradient) Computes the value and gradient at x.

Methods inherited from interface smile.math.MultivariateFunction

apply, applyAsDouble, f

Method Detail

g

double g(double[] x,
         double[] gradient)

Computes the value and gradient at x.