Module E04HYF in NAG

General Information

Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm, using second derivatives (easy-to-use)

Usage

CALL E04HYF(M,N,LSFUN2,LSHES2,X,FSUMSQ,W,LW,IUSER,RUSER,IFAIL)

Classification

K1b1a3

Unconstrained nonlinear least squares approximation by smooth functions, user provides first and second derivatives

Type

subroutine in NAG package (E04 sublibrary)

Language

Fortran

Availability

Proprietary, Portable