Example matrices for SPEX demos and testing.

All matrices 1-based.

Files:

README.txt

matrix                  right-hand-side         description
------                  ---------------         -----------
10teams.mat.txt         10teams.rhs.txt         Basislib matrix
tomography.mat.txt      tomography.mat.rhs.txt  Earth science matrix from
                                                MathWorks
LF10.mat.txt            LF10.rhs.txt            SPD linear 1D beam matrix
                                                from Oberwolfach model
                                                reduction benchmark collection
                                                (collected from the SuiteSparse
                                                Matrix Collection)
LFAT5.mat.txt           LFAT5.rhs.txt           SPD linear 1D beam matrix
                                                from Oberwolfach model
                                                reduction benchmark collection
                                                (collected from the SuiteSparse
                                                Matrix Collection)
Trefethen_500.mat.txt   Trefethen_500.rhs.txt   Diagonal matrix with primes
                                                (collected from the SuiteSparse
                                                Matrix Collection)
494_bus.mat.txt         494_bus.rhs.txt         SPD matrix from the Harwell
                                                -Boeing collection (collected
                                                from the SuiteSparse Matrix
                                                Collection)
mesh1e1.mat.txt         mesh1e1.rhs.txt         SPD matrix from NASA
                                                (collected from the SuiteSparse
                                                Matrix Collection)
example.mat.txt         example.rhs.txt         Integer matrix
NSR8K.mat.txt           NSR8K.rhs.txt           Matrix from a real-world
                                                mixed integer program
                                                (collected from MIPLIB)
test1.mat.txt           test1.rhs.txt           Unsymmetric double matrix
                                                created to test SPEX Cholesky
test2.mat.txt           test2.rhs.txt           Unsymmetric integer matrix
                                                created to test SPEX Cholesky
test3.mat.txt           test3.rhs.txt           Unsymmetric matrix created
                                                to test SPEX Cholesky
test4.mat.txt           test4.rhs.txt           Symmetric indefinite matrix
                                                created to test SPEX Cholesky
test5.mat.txt           test5.rhs.txt           Small rectangular matrix
                                                created to test SPEX
test.mat.txt            test.rhs.txt            Integer matrix to test SPEX LU

