Rothberg/cfd1
CFD, symmetric pressure matrix, from Ed Rothberg, Silicon Graphics, Inc.
| Name |
cfd1 |
| Group |
Rothberg |
| Matrix ID |
804 |
|
Num Rows
|
70,656 |
|
Num Cols
|
70,656 |
|
Nonzeros
|
1,825,580 |
|
Pattern Entries
|
1,828,364 |
|
Kind
|
Computational Fluid Dynamics Problem |
|
Symmetric
|
Yes |
|
Date
|
1997 |
|
Author
|
E. Rothberg |
|
Editor
|
T. Davis |
| Structural Rank |
70,656 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
2,784 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
yes |
|
Type
|
real |
