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 141 - 160 of 292 in total
Id Name Group Rows Cols Nonzeros Kind Date Download File
1178 lock1074 HB 1,074 1,074 51,588 Structural Problem 1980 MATLAB Rutherford Boeing Matrix Market
1179 lock2232 HB 2,232 2,232 80,352 Structural Problem 1980 MATLAB Rutherford Boeing Matrix Market
1180 lock3491 HB 3,491 3,491 160,444 Structural Problem 1980 MATLAB Rutherford Boeing Matrix Market
1181 lock_700 HB 700 700 22,175 Structural Problem 1980 MATLAB Rutherford Boeing Matrix Market
206 lund_a HB 147 147 2,449 Structural Problem 1974 MATLAB Rutherford Boeing Matrix Market
207 lund_b HB 147 147 2,441 Structural Problem 1974 MATLAB Rutherford Boeing Matrix Market
1182 man_5976 HB 5,976 5,976 225,046 Structural Problem 1980 MATLAB Rutherford Boeing Matrix Market
217 nos1 HB 237 237 1,017 Structural Problem 1982 MATLAB Rutherford Boeing Matrix Market
218 nos2 HB 957 957 4,137 Structural Problem 1982 MATLAB Rutherford Boeing Matrix Market
219 nos3 HB 960 960 15,844 Structural Problem 1982 MATLAB Rutherford Boeing Matrix Market
220 nos4 HB 100 100 594 Structural Problem 1982 MATLAB Rutherford Boeing Matrix Market
221 nos5 HB 468 468 5,172 Structural Problem 1982 MATLAB Rutherford Boeing Matrix Market
250 sstmodel HB 3,345 3,345 22,749 Structural Problem 1983 MATLAB Rutherford Boeing Matrix Market
273 will199 HB 199 199 701 Structural Problem 1979 MATLAB Rutherford Boeing Matrix Market
158 gent113 HB 113 113 655 Statistical/Mathematical Problem 1973 MATLAB Rutherford Boeing Matrix Market
187 jpwh_991 HB 991 991 6,027 Semiconductor Device Problem 1978 MATLAB Rutherford Boeing Matrix Market
274 will57 HB 57 57 281 Semiconductor Device Problem 1970 MATLAB Rutherford Boeing Matrix Market
156 gemat11 HB 4,929 4,929 33,108 Power Network Problem Sequence 1984 MATLAB Rutherford Boeing Matrix Market
155 gemat1 HB 4,929 10,595 46,591 Power Network Problem 1984 MATLAB Rutherford Boeing Matrix Market
18 bcspwr06 HB 1,454 1,454 5,300 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market