Rothberg/cfd2
CFD, symmetric pressure matrix, from Ed Rothberg, Silicon Graphics, Inc.
Name |
cfd2 |
Group |
Rothberg |
Matrix ID |
805 |
Num Rows
|
123,440 |
Num Cols
|
123,440 |
Nonzeros
|
3,085,406 |
Pattern Entries
|
3,087,898 |
Kind
|
Computational Fluid Dynamics Problem |
Symmetric
|
Yes |
Date
|
1997 |
Author
|
E. Rothberg |
Editor
|
T. Davis |
Structural Rank |
123,440 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
1 |
Strongly Connect Components
|
1 |
Num Explicit Zeros
|
2,492 |
Pattern Symmetry
|
100% |
Numeric Symmetry
|
100% |
Cholesky Candidate
|
yes |
Positive Definite
|
yes |
Type
|
real |