HB/sherman3
U BLACK OIL, IMPES SIMULATION, 35 BY 11 BY 13 GRID, ONE UNK
| Name |
sherman3 |
| Group |
HB |
| Matrix ID |
244 |
|
Num Rows
|
5,005 |
|
Num Cols
|
5,005 |
|
Nonzeros
|
20,033 |
|
Pattern Entries
|
20,033 |
|
Kind
|
Computational Fluid Dynamics Problem |
|
Symmetric
|
No |
|
Date
|
1984 |
|
Author
|
A. Sherman |
|
Editor
|
I. Duff, R. Grimes, J. Lewis |
| Structural Rank |
5,005 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
2,111 |
|
Strongly Connect Components
|
2,111 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
45.3% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
6.758440e+06 |
| Minimum Singular Value |
1.347848e-11 |
| Condition Number |
5.014247e+17
|
| Rank |
2,898 |
| sprank(A)-rank(A) |
2,107 |
| Null Space Dimension |
2,107 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
