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
|