com.imsl.math

Interface ConjugateGradient.Function

All Known Subinterfaces:

ConjugateGradient.Preconditioner

Enclosing class:

ConjugateGradient

public static interface ConjugateGradient.Function

Public interface for the user supplied function to ConjugateGradient.

Method Summary

Methods

Modifier and Type	Method and Description
void	amultp(double[] p, double[] z) A user-supplied function which computes z=Ap.

Method Detail

amultp

void amultp(double[] p,
          double[] z)

A user-supplied function which computes z=Ap.

Parameters:

p - an input double vector of length dimension of A.

z - an output double vector containing the matrix-vector product Ap.