GHS_indef/stokes64
Gould, Hu, & Scott: Stokes equation, from Mario Arioli
| Name |
stokes64 |
| Group |
GHS_indef |
| Matrix ID |
1247 |
|
Num Rows
|
12,546 |
|
Num Cols
|
12,546 |
|
Nonzeros
|
140,034 |
|
Pattern Entries
|
140,034 |
|
Kind
|
Computational Fluid Dynamics Problem |
|
Symmetric
|
Yes |
|
Date
|
2004 |
|
Author
|
M. Arioli |
|
Editor
|
N. Gould, Y. Hu, J. Scott |
| Structural Rank |
12,546 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
3.997847e+00 |
| Minimum Singular Value |
7.492505e-17 |
| Condition Number |
5.335795e+16
|
| Rank |
12,544 |
| sprank(A)-rank(A) |
2 |
| Null Space Dimension |
2 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
