Solves a symmetric positive definite linear system of equations using a preconditioned conjugate gradient algorithm. The matrix structure as well as basic operations on that structure (e.g. matrix-vector multiply) can be defined by the user. (Developed by Mark Seager, Lawrence Livermore National Laboratory.). Classes : D2b1b . Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (real symmetric positive definite matrices) D2b4 . Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (real symmetric sparse matrices) Type : C software in LINALG collection. Access : Some uses prohibited. Portable. Precision: Double. Details : Fullsource Sites : (1) NETLIB
NETLIB: Public access repository, The University of Tennessee at Knoxville and Bell Laboratories Precision: Double. You may access components from NETLIB outside GAMS as follows. Fullsource : echo 'send dcgc from linalg' | mail netlib@ornl.gov
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