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
155 gemat1 HB 4,929 10,595 46,591 Power Network Problem 1984 MATLAB Rutherford Boeing Matrix Market
156 gemat11 HB 4,929 4,929 33,108 Power Network Problem Sequence 1984 MATLAB Rutherford Boeing Matrix Market
157 gemat12 HB 4,929 4,929 33,044 Subsequent Power Network Problem 1984 MATLAB Rutherford Boeing Matrix Market
158 gent113 HB 113 113 655 Statistical/Mathematical Problem 1973 MATLAB Rutherford Boeing Matrix Market
159 gr_30_30 HB 900 900 7,744 2D/3D Problem 1983 MATLAB Rutherford Boeing Matrix Market
160 gre_1107 HB 1,107 1,107 5,664 Directed Weighted Graph 1981 MATLAB Rutherford Boeing Matrix Market
161 gre_115 HB 115 115 421 Directed Weighted Graph 1981 MATLAB Rutherford Boeing Matrix Market
162 gre_185 HB 185 185 975 Directed Weighted Graph 1981 MATLAB Rutherford Boeing Matrix Market
164 gre_216b HB 216 216 812 Directed Weighted Graph 1981 MATLAB Rutherford Boeing Matrix Market
165 gre_343 HB 343 343 1,310 Directed Weighted Graph 1981 MATLAB Rutherford Boeing Matrix Market
166 gre_512 HB 512 512 1,976 Directed Weighted Graph 1981 MATLAB Rutherford Boeing Matrix Market
167 hor_131 HB 434 434 4,182 Directed Weighted Graph 1983 MATLAB Rutherford Boeing Matrix Market
168 ibm32 HB 32 32 126 Directed Graph 1971 MATLAB Rutherford Boeing Matrix Market
169 illc1033 HB 1,033 320 4,719 Least Squares Problem 1979 MATLAB Rutherford Boeing Matrix Market
170 illc1850 HB 1,850 712 8,636 Least Squares Problem 1979 MATLAB Rutherford Boeing Matrix Market
171 impcol_a HB 207 207 572 Chemical Process Simulation Problem 1982 MATLAB Rutherford Boeing Matrix Market
172 impcol_b HB 59 59 271 Chemical Process Simulation Problem 1982 MATLAB Rutherford Boeing Matrix Market
173 impcol_c HB 137 137 400 Chemical Process Simulation Problem 1982 MATLAB Rutherford Boeing Matrix Market
174 impcol_d HB 425 425 1,255 Chemical Process Simulation Problem 1982 MATLAB Rutherford Boeing Matrix Market
175 impcol_e HB 225 225 1,303 Chemical Process Simulation Problem 1982 MATLAB Rutherford Boeing Matrix Market