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 161 - 180 of 292 in total
Id Name Group Rows Cols Nonzeros Kind Date Download File
22 bcspwr10 HB 5,300 5,300 21,842 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
20 bcspwr08 HB 1,624 1,624 6,050 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
19 bcspwr07 HB 1,612 1,612 5,824 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
16 bcspwr04 HB 274 274 1,612 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
17 bcspwr05 HB 443 443 1,623 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
13 bcspwr01 HB 39 39 131 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
14 bcspwr02 HB 49 49 167 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
15 bcspwr03 HB 118 118 476 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
1 1138_bus HB 1,138 1,138 4,054 Power Network Problem 1985 MATLAB Rutherford Boeing Matrix Market
140 eris1176 HB 1,176 1,176 18,552 Power Network Problem 1973 MATLAB Rutherford Boeing Matrix Market
2 494_bus HB 494 494 1,666 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
4 685_bus HB 685 685 3,249 Power Network Problem 1985 MATLAB Rutherford Boeing Matrix Market
21 bcspwr09 HB 1,723 1,723 6,511 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
247 shl_0 HB 663 663 1,687 Optimization Problem Sequence 1978 MATLAB Rutherford Boeing Matrix Market
254 str_0 HB 363 363 2,454 Optimization Problem Sequence 1978 MATLAB Rutherford Boeing Matrix Market
82 bp_0 HB 822 822 3,276 Optimization Problem Sequence 1978 MATLAB Rutherford Boeing Matrix Market
282 zenios HB 2,873 2,873 1,314 Optimization Problem 1985 MATLAB Rutherford Boeing Matrix Market
6 arc130 HB 130 130 1,037 Materials Problem 1974 MATLAB Rutherford Boeing Matrix Market
8 ash292 HB 292 292 2,208 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market