Module DGQRCF in IMSLM

General Information

Compute a Gauss, Gauss-Radau or Gauss-Lobatto quadrature rule given the recurrence coefficients for the monic polynomials orthogonal with respect to the weight function.

Usage

CALL DGQRCF (N, B, C, NFIX, QXFIX, QX, QW)

Classification

H2c	Service routines for quadrature (compute weight and nodes for quadrature formulas)

Type

subroutine in IMSLM package

Language

Fortran

Availability

Proprietary, Portable

Precision

Double Precision

Alternates

GQRCF

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/dgqrcf

Example

cat /home/fetch/Subjects/Math-Stat-Software/imsl/Examples/dgqrcf

To Link

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