The Harwell-Boeing Sparse Matrix Collection is a set of standard test matrices arising from problems in linear systems, least squares, and eigenvalue calculations from a wide variety of scientific and engineering disciplines. The problems range from small matrices, used as counter-examples to hypotheses in sparse matrix research, to large test cases arising in applications. The collection was originally developed by Iain Duff, Roger Grimes, and John Lewis.
Matrices in the collection can also be downloaded by anonymous ftp from
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Last change in this page : March 22, 2010 [ ].