suitesparse_matrix

probnum.problems.zoo.linalg.suitesparse_matrix(name, group, verbose=False)[source]

Sparse matrix from the SuiteSparse Matrix Collection.

Download a sparse matrix benchmark from the SuiteSparse Matrix Collection. 1 2

Parameters

  • name (str) – Name of the matrix.

  • group (str) – Group of the matrix.

  • verbose (bool) – Print additional information.

Return type

SuiteSparseMatrix

References

1

Davis, TA and Hu, Y. The University of Florida sparse matrix collection. ACM Transactions on Mathematical Software (TOMS) 38.1 (2011): 1-25.

2

Kolodziej, Scott P., et al. The SuiteSparse matrix collection website interface. Journal of Open Source Software 4.35 (2019): 1244.

Examples

>>> ssmat = suitesparse_matrix(name="ash85", group="HB")
>>> ssmat
<SuiteSparseMatrix with shape=(85, 85) and dtype=float64>
>>> ssmat.trace()
85.0