Nasa/barth4
BARTH4: Nasa matrix, but with a diagonal added to the original matrix
Name |
barth4 |
Group |
Nasa |
Matrix ID |
755 |
Num Rows
|
6,019 |
Num Cols
|
6,019 |
Nonzeros
|
23,492 |
Pattern Entries
|
23,492 |
Kind
|
Duplicate Structural Problem |
Symmetric
|
No |
Date
|
1995 |
Author
|
NASA |
Editor
|
G. Kumfert, A. Pothen |
Structural Rank |
6,019 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
33 |
Strongly Connect Components
|
33 |
Num Explicit Zeros
|
0 |
Pattern Symmetry
|
0% |
Numeric Symmetry
|
0% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
binary |
SVD Statistics |
Matrix Norm |
4.389711e+00 |
Minimum Singular Value |
5.974320e-18 |
Condition Number |
7.347634e+17
|
Rank |
6,018 |
sprank(A)-rank(A) |
1 |
Null Space Dimension |
1 |
Full Numerical Rank? |
no |
Download Singular Values |
MATLAB
|