ALERT: THE COLLECTION IS OFFLINE BECAUSE OF 100x HIGHER DOWNLOADS THAN NORMAL. The website is up but the matrix files are not accessible. THE PROBLEM IS EXCESSIVE DOWNLOADS FROM JOBS RUNNING ON AWS ITSELF, POUNDING THE DATA. We have no estimate on when this will be resolved, but it will take some time (weeks perhaps?). Please do not contact us to ask when it will be up; the answer will be the same as this alert box. If you are running these AWS workloads, please revise them. All interfaces we provide (Python, MATLAB, Java gui) download a matrix ONCE and then cache it locally. Do the same or use these interfaces.

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Matrix ID
Year
Displaying collection matrices 2181 - 2200 of 2904 in total
Id Name Group Rows Cols Nonzeros Kind Date Download File
366 pcrystk02 Boeing 13,965 13,965 968,583 Duplicate Materials Problem 1995 MATLAB Rutherford Boeing Matrix Market
367 pcrystk03 Boeing 24,696 24,696 1,751,178 Duplicate Materials Problem 1995 MATLAB Rutherford Boeing Matrix Market
368 pct20stif Boeing 52,329 52,329 2,698,463 Structural Problem 1995 MATLAB Rutherford Boeing Matrix Market
1170 Pd MathWorks 8,081 8,081 13,036 Counter Example Problem 2002 MATLAB Rutherford Boeing Matrix Market
2373 pdb1HYS Williams 36,417 36,417 4,344,765 Weighted Undirected Graph 2008 MATLAB Rutherford Boeing Matrix Market
323 pde225 Bai 225 225 1,065 2D/3D Problem 1982 MATLAB Rutherford Boeing Matrix Market
324 pde2961 Bai 2,961 2,961 14,585 2D/3D Problem 1982 MATLAB Rutherford Boeing Matrix Market
325 pde900 Bai 900 900 4,380 2D/3D Problem 1982 MATLAB Rutherford Boeing Matrix Market
1171 Pd_rhs MathWorks 8,081 12,406 6,323 Counter Example Problem 2002 MATLAB Rutherford Boeing Matrix Market
1272 pds10 GHS_psdef 16,558 16,558 149,658 Optimization Problem 2004 MATLAB Rutherford Boeing Matrix Market
1653 pds-100 Mittelmann 156,243 514,577 1,096,002 Linear Programming Problem 1990 MATLAB Rutherford Boeing Matrix Market
1646 pds-30 Mittelmann 49,944 158,489 340,635 Linear Programming Problem 1990 MATLAB Rutherford Boeing Matrix Market
1647 pds-40 Mittelmann 66,844 217,531 466,800 Linear Programming Problem 1990 MATLAB Rutherford Boeing Matrix Market
1648 pds-50 Mittelmann 83,060 275,814 590,833 Linear Programming Problem 1990 MATLAB Rutherford Boeing Matrix Market
1649 pds-60 Mittelmann 99,431 336,421 719,557 Linear Programming Problem 1990 MATLAB Rutherford Boeing Matrix Market
1650 pds-70 Mittelmann 114,944 390,005 833,465 Linear Programming Problem 1990 MATLAB Rutherford Boeing Matrix Market
1651 pds-80 Mittelmann 129,181 434,580 927,826 Linear Programming Problem 1990 MATLAB Rutherford Boeing Matrix Market
1652 pds-90 Mittelmann 142,823 475,448 1,014,136 Linear Programming Problem 1990 MATLAB Rutherford Boeing Matrix Market
443 pesa Gaertner 11,738 11,738 79,566 Directed Weighted Graph 2001 MATLAB Rutherford Boeing Matrix Market
1753 pf2177 Meszaros 9,728 10,178 30,984 Linear Programming Problem 2004 MATLAB Rutherford Boeing Matrix Market