com.imsl.math

Interface MinUnconMultiVar.Gradient

All Superinterfaces:

MinUnconMultiVar.Function

All Known Subinterfaces:

MinUnconMultiVar.Hessian

All Known Implementing Classes:

QuasiNewtonTrainer.BlockGradObjective, QuasiNewtonTrainer.GradObjective

Enclosing class:

MinUnconMultiVar

public static interface MinUnconMultiVar.Gradient
extends MinUnconMultiVar.Function

Public interface for the user supplied gradient to the MinUnconMultiVar object.

Method Summary

Modifier and Type	Method and Description
void	gradient(double[] x, double[] gradient) Public interface for the gradient of the multivariate function to be minimized.

Methods inherited from interface com.imsl.math.MinUnconMultiVar.Function

f

Method Detail

gradient

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

Public interface for the gradient of the multivariate function to be minimized.

Parameters:

x - a double array, the point at which the gradient of the function is to be evaluated

gradient - a double array, the value of the gradient of the function at x