Compute the LU factorization of a real matrix in band storage mode. Classes : D2a2 . Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (real nonsymmetric banded matrices) Type : Fortran subroutine in IMSLM library. Access : Proprietary. Many implementations available. Precision: Double. Usage : CALL DLFTRB (N, A, LDA, NLCA, NUCA, FAC, LDFAC, IPVT) Details : Documentation Example Sites : (1) ITL
ITL: Unix Workstation Network, National Institute of Standards and Technology (NIST), Gaithersburg, MD. Available to NIST staff. Precision: Double. (Single: LFTRB) 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/dlftrb Example : cat /home/fetch/Subjects/Math-Stat-Software/imsl/Examples/dlftrb
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