Module DBCNLS in IMSLM

General Information

Solves nonlinear least-squares problems subject to bounds on the variables and general linear constraints. The Jacobian is approximated using finite differences. (Based on DQED by Hanson and Krogh.).

Usage

CALL DBCNLS (FCN, M, N, MCON, C, LDC, BL, BU, IRTYPE, XLB, XUB, XGUESS, X, RNORM, ISTAT)

Classification

K1b2a

Linearly constrained nonlinear least squares approximation

Type

subroutine in IMSLM package

Language

Fortran

Availability

Proprietary, Portable

Precision

Double Precision

Alternates

BCNLS

Single Precision

Installation on ITL; Unix Workstation Network

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968 (FTS 879-2968)

Usage

Access available only to NIST staff on internal Unix systems. They may access this package provided the /itl tree is cross-mounted.

Documentation

cat /home/fetch/Subjects/Math-Stat-Software/imsl/Documentation/dbcnls

To Link

Login to spruce.nist.gov and see ITL How-To for information on how to setup your environment and link.