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Module DBS2IG in IMSLM

General Information

Evaluate the integral of a tensor-product spline on a rectangular domain, given its tensor-product B-spline representation.

Usage
R = DBS2IG(A, B, C, D, KXORD, KYORD, XKNOT, YKNOT, NXCOEF, NYCOEF, BSCOEF)
Classification
E3a3Quadrature involving fitted functions
H2b1b2Nonautomatic n-D quadrature on one or more hyper-rectangular regions, integrand available only on a grid
Type
subroutine in IMSLM package
Language
Fortran
Availability
Proprietary, Portable
Precision
Double Precision
Alternates
BS2IG
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/dbs2ig
Example
cat /home/fetch/Subjects/Math-Stat-Software/imsl/Examples/dbs2ig
To Link
Login to spruce.nist.gov and see ITL How-To for information on how to setup your environment and link.
Comments? gams@nist.gov