libspex3
solves sparse linear systems in exact arithmetic
Description
Suitesparse is a collection of libraries for computations involving sparse matrices. SPEX Left LU is a software package designed to exactly solve unsymmetric sparse linear systems, Ax = b, where A, b and x contain rational numbers. This package performs a left-looking, roundoff-error-free (REF) LU factorization PAQ = LDU, where L and U are integer, D is diagonal, and P and Q are row and column permutations, respectively. Note that the matrix D is never explicitly computed nor needed; thus this package uses only the matrices L and U. This package relies on GNU GMP and MPRF for exact arithmetic computations.Upload more screenshots
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