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 101 - 120 of 292 in total
Id Name Group Rows Cols Nonzeros Kind Date Download File
275 wm1 HB 207 277 2,909 Economic Problem 1982 MATLAB Rutherford Boeing Matrix Market
78 beacxc HB 497 506 50,409 Economic Problem 1982 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
261 well1850 HB 1,850 712 8,755 Least Squares Problem 1979 MATLAB Rutherford Boeing Matrix Market
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
170 illc1850 HB 1,850 712 8,636 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
169 illc1033 HB 1,033 320 4,719 Least Squares Problem 1979 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
6 arc130 HB 130 130 1,037 Materials Problem 1974 MATLAB Rutherford Boeing Matrix Market
282 zenios HB 2,873 2,873 1,314 Optimization Problem 1985 MATLAB Rutherford Boeing Matrix Market
254 str_0 HB 363 363 2,454 Optimization Problem Sequence 1978 MATLAB Rutherford Boeing Matrix Market
247 shl_0 HB 663 663 1,687 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
15 bcspwr03 HB 118 118 476 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
14 bcspwr02 HB 49 49 167 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market