General Information
Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm using function values only (easy-to-use)
- Usage
CALL E04FYF(M,N,LSFUN1,X,FSUMSQ,W,LW,IUSER,RUSER,IFAIL)- Classification
| K1b1a1 | Unconstrained nonlinear least squares approximation by smooth functions, user provides no derivatives |
| L8e1b1 | Parameter estimation in nonlinear least squares regression using unweighted data, user provides no derivatives |
- Type
- subroutine in NAG package (E04 sublibrary)
- Language
- Fortran
- Availability
- Proprietary, Portable
Module E04FYF in NAG