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 1 - 20 of 292 in total
Id Name Group Rows Cols Nonzeros Kind Date Download File
274 will57 HB 57 57 281 Semiconductor Device Problem 1970 MATLAB Rutherford Boeing Matrix Market
168 ibm32 HB 32 32 126 Directed Graph 1971 MATLAB Rutherford Boeing Matrix Market
109 curtis54 HB 54 54 291 2D/3D Problem 1971 MATLAB Rutherford Boeing Matrix Market
140 eris1176 HB 1,176 1,176 18,552 Power Network Problem 1973 MATLAB Rutherford Boeing Matrix Market
158 gent113 HB 113 113 655 Statistical/Mathematical Problem 1973 MATLAB Rutherford Boeing Matrix Market
11 ash85 HB 85 85 523 Least Squares Problem 1974 MATLAB Rutherford Boeing Matrix Market
206 lund_a HB 147 147 2,449 Structural Problem 1974 MATLAB Rutherford Boeing Matrix Market
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
207 lund_b HB 147 147 2,441 Structural Problem 1974 MATLAB Rutherford Boeing Matrix Market
6 arc130 HB 130 130 1,037 Materials Problem 1974 MATLAB Rutherford Boeing Matrix Market
7 ash219 HB 219 85 438 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
5 abb313 HB 313 176 1,557 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
228 plat1919 HB 1,919 1,919 32,399 2D/3D Problem 1975 MATLAB Rutherford Boeing Matrix Market
230 plsk1919 HB 1,919 1,919 9,662 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
231 plskz362 HB 362 362 1,760 2D/3D Problem 1975 MATLAB Rutherford Boeing Matrix Market
248 shl_200 HB 663 663 1,726 Subsequent Optimization Problem 1978 MATLAB Rutherford Boeing Matrix Market