Nasa/barth
BARTH: Nasa matrix, but with a diagonal added to the original
| Name |
barth |
| Group |
Nasa |
| Matrix ID |
754 |
|
Num Rows
|
6,691 |
|
Num Cols
|
6,691 |
|
Nonzeros
|
26,439 |
|
Pattern Entries
|
26,439 |
|
Kind
|
Duplicate Structural Problem |
|
Symmetric
|
No |
|
Date
|
1995 |
|
Author
|
NASA |
|
Editor
|
G. Kumfert, A. Pothen |
| Structural Rank |
6,691 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
981 |
|
Strongly Connect Components
|
981 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
0% |
|
Numeric Symmetry
|
0% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
binary |
| SVD Statistics |
| Matrix Norm |
4.892839e+00 |
| Minimum Singular Value |
6.715379e-17 |
| Condition Number |
7.286021e+16
|
| Rank |
6,690 |
| sprank(A)-rank(A) |
1 |
| Null Space Dimension |
1 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|