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 81 - 100 of 292 in total
Id Name Group Rows Cols Nonzeros Kind Date Download File
99 can_268 HB 268 268 3,082 Structural Problem 1981 MATLAB Rutherford Boeing Matrix Market
16 bcspwr04 HB 274 274 1,612 Power Network Problem 1981 MATLAB Rutherford Boeing Matrix Market
100 can_292 HB 292 292 2,540 Structural Problem 1981 MATLAB Rutherford Boeing Matrix Market
8 ash292 HB 292 292 2,208 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
121 dwt_307 HB 307 307 2,523 Structural Problem 1980 MATLAB Rutherford Boeing Matrix Market
122 dwt_310 HB 310 310 2,448 Structural Problem 1980 MATLAB Rutherford Boeing Matrix Market
5 abb313 HB 313 176 1,557 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
9 ash331 HB 331 104 662 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
165 gre_343 HB 343 343 1,310 Directed Weighted Graph 1981 MATLAB Rutherford Boeing Matrix Market
123 dwt_346 HB 346 346 3,226 Structural Problem 1980 MATLAB Rutherford Boeing Matrix Market
124 dwt_361 HB 361 361 2,953 Structural Problem 1980 MATLAB Rutherford Boeing Matrix Market
231 plskz362 HB 362 362 1,760 2D/3D Problem 1975 MATLAB Rutherford Boeing Matrix Market
229 plat362 HB 362 362 5,786 2D/3D Problem 1975 MATLAB Rutherford Boeing Matrix Market
254 str_0 HB 363 363 2,454 Optimization Problem Sequence 1978 MATLAB Rutherford Boeing Matrix Market
256 str_400 HB 363 363 3,157 Subsequent Optimization Problem 1978 MATLAB Rutherford Boeing Matrix Market
255 str_200 HB 363 363 3,068 Subsequent Optimization Problem 1978 MATLAB Rutherford Boeing Matrix Market
257 str_600 HB 363 363 3,279 Subsequent Optimization Problem 1978 MATLAB Rutherford Boeing Matrix Market
266 west0381 HB 381 381 2,134 Chemical Process Simulation Problem 1983 MATLAB Rutherford Boeing Matrix Market
203 lshp_406 HB 406 406 2,716 Thermal Problem 1978 MATLAB Rutherford Boeing Matrix Market
125 dwt_419 HB 419 419 3,563 Structural Problem 1980 MATLAB Rutherford Boeing Matrix Market