The SuiteSparse Matrix Collection (formerly the University of Florida Sparse Matrix Collection) is a widely used set of sparse matrix benchmarks collected from a wide range of applications. See the about page for more information.
≤ Number of Rows ≤
≤ Number of Columns ≤
≤ Number of Nonzeros ≤
≤ Pattern Symmetry ≤
≤ Numerical Symmetry ≤
≤ Number of Strongly Connected Components ≤
Displaying matrices 1 - 20 of 2757 in total
Name Group Rows Cols Nonzeros Kind Date
1138_bus HB 1,138 1,138 4,054 Power Network Problem 1985
494_bus HB 494 494 1,666 Power Network Problem 1985
662_bus HB 662 662 2,474 Power Network Problem 1985
685_bus HB 685 685 3,249 Power Network Problem 1985
abb313 HB 313 176 1,557 Least Squares Problem 1974
arc130 HB 130 130 1,037 Materials Problem 1974
ash219 HB 219 85 438 Least Squares Problem 1974
ash292 HB 292 292 2,208 Least Squares Problem 1974
ash331 HB 331 104 662 Least Squares Problem 1974
ash608 HB 608 188 1,216 Least Squares Problem 1974
ash85 HB 85 85 523 Least Squares Problem 1974
ash958 HB 958 292 1,916 Least Squares Problem 1974
bcspwr01 HB 39 39 131 Power Network Problem 1981
bcspwr02 HB 49 49 167 Power Network Problem 1981
bcspwr03 HB 118 118 476 Power Network Problem 1981
bcspwr04 HB 274 274 1,612 Power Network Problem 1981
bcspwr05 HB 443 443 1,623 Power Network Problem 1981
bcspwr06 HB 1,454 1,454 5,300 Power Network Problem 1981
bcspwr07 HB 1,612 1,612 5,824 Power Network Problem 1981
bcspwr08 HB 1,624 1,624 6,050 Power Network Problem 1981