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 181 - 200 of 292 in total
Id Name Group Rows Cols Nonzeros Kind Date Download File
9 ash331 HB 331 104 662 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
11 ash85 HB 85 85 523 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
12 ash958 HB 958 292 1,916 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
170 illc1850 HB 1,850 712 8,636 Least Squares Problem 1979 MATLAB Rutherford Boeing Matrix Market
169 illc1033 HB 1,033 320 4,719 Least Squares Problem 1979 MATLAB Rutherford Boeing Matrix Market
5 abb313 HB 313 176 1,557 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
261 well1850 HB 1,850 712 8,755 Least Squares Problem 1979 MATLAB Rutherford Boeing Matrix Market
260 well1033 HB 1,033 320 4,732 Least Squares Problem 1979 MATLAB Rutherford Boeing Matrix Market
7 ash219 HB 219 85 438 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
208 mahindas HB 1,258 1,258 7,682 Economic Problem 1984 MATLAB Rutherford Boeing Matrix Market
209 mbeacxc HB 496 496 49,920 Economic Problem 1982 MATLAB Rutherford Boeing Matrix Market
237 psmigr_3 HB 3,140 3,140 543,160 Economic Problem 1983 MATLAB Rutherford Boeing Matrix Market
236 psmigr_2 HB 3,140 3,140 540,022 Economic Problem 1983 MATLAB Rutherford Boeing Matrix Market
235 psmigr_1 HB 3,140 3,140 543,160 Economic Problem 1983 MATLAB Rutherford Boeing Matrix Market
224 orani678 HB 2,529 2,529 90,158 Economic Problem 1984 MATLAB Rutherford Boeing Matrix Market
277 wm3 HB 207 260 2,948 Economic Problem 1982 MATLAB Rutherford Boeing Matrix Market
276 wm2 HB 207 260 2,942 Economic Problem 1982 MATLAB Rutherford Boeing Matrix Market
78 beacxc HB 497 506 50,409 Economic Problem 1982 MATLAB Rutherford Boeing Matrix Market
79 beaflw HB 497 507 53,403 Economic Problem 1982 MATLAB Rutherford Boeing Matrix Market