Module DPBCO in CMLIB

• CMLIB Information

• Components
  • Documentation from ITL
  • Fullsource from ITL
  • Source from ITL

DPBCO

 
Compute LU factorization of double precision positive definite band matrix and
estimate its condition.
 
Classes  :  D2b2 . Solution of systems of linear equations, including matrix
                 inverses, and LU and related factorizations (real symmetric
                 positive definite banded matrices)
 
Type     : Fortran subroutine in CMLIB library (LINPAKD sublibrary).
Access   : Public domain. Portable.
Precision: Double.
 
Usage    : CALL DPBCO(ABD,LDA,N,M,RCOND,Z,INFO)
 
Details  : Documentation Fullsource Source
Sites    : (1) ARNO (2) ITL
 

Implementation of DPBCO from CMLIB on ARNO

 
ARNO:      Silicon Graphics Origin 2000, National Institute of Standards and
           Technology (NIST), Gaithersburg, MD. Available to NIST staff.
 
Precision: Double. (Single: SPBCO)
 
Those logged in to arno.nist.gov or amur.nist.gov may access this module as
follows.
 
   Link         : See cmlib man page.
   Documentation: cmdoc dpbco
   Source       : cmsrc dpbco
   Fullsource   : cmsrcx dpbco
 

Implementation of DPBCO from CMLIB on ITL

 
ITL:       Unix Workstation Network, National Institute of Standards and
           Technology (NIST), Gaithersburg, MD. Available to NIST staff.
 
Precision: Double. (Single: SPBCO)
 
Access available only to NIST staff on internal Unix systems. They may access this
package provided the /itl tree is cross-mounted.
 
   Link         : f77 -o main main.f -lcm
   Documentation: cmdoc dpbco
   Source       : cmsrc DPBCO
   Fullsource   : cmsrcx dpbco