Group HB

Group Description
The original Harwell-Boeing collection. Iain Duff, Roger Grimes, and John Lewis.

Duff, I. S. and R. G. Grimes and J. G. Lewis,
Sparse Matrix Problems, ACM Trans. on Mathematical Software,
vol 14, no. 1, pp 1-14, 1989.
Displaying collection matrices 281 - 292 of 292 in total
Id Name Group Rows Cols Nonzeros Kind Date Download File
12 ash958 HB 958 292 1,916 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
11 ash85 HB 85 85 523 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
10 ash608 HB 608 188 1,216 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
9 ash331 HB 331 104 662 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
8 ash292 HB 292 292 2,208 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
7 ash219 HB 219 85 438 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
6 arc130 HB 130 130 1,037 Materials Problem 1974 MATLAB Rutherford Boeing Matrix Market
5 abb313 HB 313 176 1,557 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
4 685_bus HB 685 685 3,249 Power Network Problem 1985 MATLAB Rutherford Boeing Matrix Market
3 662_bus HB 662 662 2,474 Power Network Problem 1985 MATLAB Rutherford Boeing Matrix Market
2 494_bus HB 494 494 1,666 Power Network Problem 1985 MATLAB Rutherford Boeing Matrix Market
1 1138_bus HB 1,138 1,138 4,054 Power Network Problem 1985 MATLAB Rutherford Boeing Matrix Market