Improves the computed solution to a real symmetric/complex symmetric/complex Hermitian indefinite system of linear equations AX=B, and provides forward and backward error bounds for the solution. (Computational routine.). Classes : D2c1 . Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (general complex non-Hermitian matrices) Type : Fortran subroutine in LAPACK package. Access : Public domain. Portable. Precision: Single. Usage : CALL CSYRFS( UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, RWORK, INFO ) Details : Fullsource NeededBLAS Source Sites : (1) ARNO (2) ITL (3) NETLIB
ARNO: Silicon Graphics Origin 2000, National Institute of Standards and Technology (NIST), Gaithersburg, MD. Available to NIST staff. Precision: Single. (Double: ZSYRFS) Those logged in to arno.nist.gov or amur.nist.gov may access this module as follows. Access : f90 prog.f -lscs (or -lscs_mp for multiprocessor version) Documentation: man csyrfs
ITL: Unix Workstation Network, National Institute of Standards and Technology (NIST), Gaithersburg, MD. Available to NIST staff. Precision: Single. (Double: ZSYRFS) Access available only to NIST staff on internal Unix systems. They may access this package provided the /itl tree is cross-mounted. Access : f77 -o myprog myprog.f -llapack -lblas NeededBLAS : Can be downloaded from netlib
NETLIB: Public access repository, The University of Tennessee at Knoxville and Bell Laboratories Precision: Single. (Double: ZSYRFS) You may access components from NETLIB outside GAMS as follows. Source : See LAPACK Web Page Fullsource : See LAPACK Web Page
GAMS is a service of the Mathematical and Computational Sciences Division of the Information Technology Laboratory of the National Institute of Standards and Technology
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