GHS_indef/mario001
SMALLER MATRIX FROM MARIO FOR WHICH MA47 ANALYSE IS SLOW
| Name |
mario001 |
| Group |
GHS_indef |
| Matrix ID |
1240 |
|
Num Rows
|
38,434 |
|
Num Cols
|
38,434 |
|
Nonzeros
|
204,912 |
|
Pattern Entries
|
206,156 |
|
Kind
|
2D/3D Problem |
|
Symmetric
|
Yes |
|
Date
|
2004 |
|
Author
|
|
|
Editor
|
N. Gould, Y. Hu, J. Scott |
| Structural Rank |
38,434 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
312 |
|
Strongly Connect Components
|
312 |
|
Num Explicit Zeros
|
1,244 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
2.607803e+00 |
| Minimum Singular Value |
1.394060e-04 |
| Condition Number |
1.870653e+04
|
| Rank |
38,434 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
