Module BS3GD in IMSLM

• IMSLM Information

• Components
  • Documentation from ITL
  • Example from ITL

BS3GD

 
Evaluate the derivative of a three-dimensional tensor-product spline, given
its tensor-product B-spline representation on a grid.
 
Classes  :  E3a1 . Evaluation of fitted functions
            E3a2 . Evaluation of derivatives of fitted functions
 
Type     : Fortran subroutine in IMSLM library.
Access   : Proprietary. Many implementations available.
Precision: Single.
 
Usage    : CALL BS3GD (IXDER, IYDER, IZDER, NX, XVEC, NY, YVEC, NZ, ZVEC, KXORD,
           KYORD, KZORD, XKNOT, YKNOT, ZKNOT, NXCOEF, NYCOEF, NZCOEF, BSCOEF,
           VALUE, LDVALU, MDVALU)
 
Details  : Documentation Example
Sites    : (1) ITL
 

Implementation of BS3GD from IMSLM on ITL

 
ITL:       Unix Workstation Network, National Institute of Standards and
           Technology (NIST), Gaithersburg, MD. Available to NIST staff.
 
Precision: Single. (Double: DBS3GD)
 
Access available only to NIST staff on internal Unix systems. They may access this
package provided the /itl tree is cross-mounted.
 
   Link         : Login to spruce.nist.gov and see ITL How-To for
                  information on how to setup your environment and link.
   Documentation: cat
                  /home/fetch/Subjects/Math-Stat-Software/imsl/Documentation/bs3gd
   Example      : cat
                  /home/fetch/Subjects/Math-Stat-Software/imsl/Examples/bs3gd