Factors and solves a symmetric positive definite single precision system of equations and estimates solution accuracy. (Needs n-by-n extra storage.) Classes : D2b1b . Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (real symmetric positive definite matrices) Type : Fortran subroutine in CMLIB library (LINDRV sublibrary). Access : Public domain. Portable. Precision: Single. Usage : CALL SPOIR(A,LDA,N,V,ITASK,IND,WORK) Details : Documentation Fullsource Source Sites : (1) ARNO (2) ITL
ARNO: Silicon Graphics Origin 2000, National Institute of Standards and Technology (NIST), Gaithersburg, MD. Available to NIST staff. Precision: Single. Those logged in to arno.nist.gov or amur.nist.gov may access this module as follows. Link : See cmlib man page. Documentation: cmdoc spoir Source : cmsrc spoir Fullsource : cmsrcx spoir
ITL: Unix Workstation Network, National Institute of Standards and Technology (NIST), Gaithersburg, MD. Available to NIST staff. Precision: Single. 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 spoir Source : cmsrc SPOIR Fullsource : cmsrcx spoir
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