com.joptimizer.functions

Interface TwiceDifferentiableMultivariateRealFunction

All Known Subinterfaces:

BarrierFunction, ConvexMultivariateRealFunction, StrictlyConvexMultivariateRealFunction

All Known Implementing Classes:

LinearMultivariateRealFunction, LogarithmicBarrier, LogTransformedPosynomial, PDQuadraticMultivariateRealFunction, PSDQuadraticMultivariateRealFunction, QuadraticMultivariateRealFunction, SDPLogarithmicBarrier, SOCPLogarithmicBarrier, SymmPDQuadraticMultivariateRealFunction

public interface TwiceDifferentiableMultivariateRealFunction

Method Summary

Modifier and Type	Method and Description
int	getDim() Dimension of the function argument.
double[]	gradient(double[] X) Function gradient at point X.
double[][]	hessian(double[] X) Function hessian at point X.
double	value(double[] X) Evaluation of the function at point X.

Method Detail

value

double value(double[] X)

Evaluation of the function at point X.

gradient

double[] gradient(double[] X)

Function gradient at point X.

hessian

double[][] hessian(double[] X)

Function hessian at point X.

getDim

int getDim()

Dimension of the function argument.