suite-sparse

Suite of sparse matrix algorithms and libraries for scientific computing

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Suite of Sparse Matrix Software

amdbtfcamdccolamdcholmodcolamdcxsparsekluldlumfpackspqr

Use AMD (Approximate Minimum Degree) for matrix reordering in sparse linear systems$ amd < matrix.txt

Apply COLAMD (Column Approximate Minimum Degree) reordering to a sparse matrix$ colamd < sparse_matrix.txt

Solve sparse linear systems using UMFPACK (UMFpack Sparse LU Factorization)$ umfpack < system_matrix.txt