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Code by Yousef Saad and Jun Zhang to solve general sparse linear systems by using Krylov subspace methods preconditioned by some multi-level block ILU (BILUM) preconditioning techniques.
www.cs.uky.edu
Collection of Fortran 77 subroutines for solving large sparse linear systems by adaptive accelerated iterative algorithms.
rene.ma.utexas.edu
MINRES: Sparse Symmetic Equations
Solves sparse linear equations using a conjugate-gradient type method.
www.stanford.edu
Provides computational kernels for fundamental sparse matrix operations.
math.nist.gov
Fortran 77 subroutines for solving large sparse linear systems by adaptive accelerated iterative algorithms.
rene.ma.utexas.edu
P_SPARSLIB: Library of Distributed-Memory Sparse Iterative Solvers
By Yousef Saad and Kesheng Wu.
www-users.cs.umn.edu
Fortran 90 modules by Ernst Meese for the compressed sparse row (CSR) and the modified sparse row (MSR) data storage formats, a very general incomplete LU factorisation routine, the Krylov subspace solvers CGS, BiCGSTAB and GMRES.
General purpose Fortran library by Yousef Saad for sparse matrix computations.
www-users.cs.umn.edu
SYMMLQ: Sparse Symmetic Equations
Solves a set of sparse, symmetric linear equations using a conjugate gradient type method.
www.stanford.edu
Systems Optimization Laboratory
Code for sparse linear equations (symmetric or general) and sparse least squares, and updating a dense square factorization L C = U.
www.stanford.edu
UMFPACK for sparse linear equations
Fortran 77 source code for solving sparse asymmetric linear equations, including a version for complex matrices. There are copyright restrictions.
By Udo Grabowski.
www-imk.fzk.de
Software by Rasmus Munk Larsen for large and sparse SVD calculations, with versions in Fortran and Matlab.
sun.stanford.edu
Comprised of four numerical (iterative) methods for computing the singular value decomposition (SVD) of large sparse matrices using double precision Fortran 77.
www.netlib.org
Fortran 77 code that solves sparse systems of linear algebraic equations by Gaussian elimination.
www.netlib.org