smile.math

Interface DifferentiableFunction

All Superinterfaces:

Function, java.io.Serializable

public interface DifferentiableFunction
extends Function

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) Computes the gradient/derivative at x.
default double	g2(double x) Compute the second-order derivative at x.

Methods inherited from interface smile.math.Function

apply, f

Method Detail

g

double g(double x)

Computes the gradient/derivative at x.

g2

default double g2(double x)

Compute the second-order derivative at x.