Nasa/skirt
SKIRT: Nasa matrix, but with a diagonal added to the original matrix
| Name |
skirt |
| Group |
Nasa |
| Matrix ID |
764 |
|
Num Rows
|
12,598 |
|
Num Cols
|
12,598 |
|
Nonzeros
|
196,520 |
|
Pattern Entries
|
196,520 |
|
Kind
|
Duplicate Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
1995 |
|
Author
|
NASA |
|
Editor
|
G. Kumfert, A. Pothen |
| Structural Rank |
12,598 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
7 |
|
Strongly Connect Components
|
7 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
no |
|
Type
|
binary |
| SVD Statistics |
| Matrix Norm |
2.331372e+01 |
| Minimum Singular Value |
1.884828e-33 |
| Condition Number |
1.236915e+34
|
| Rank |
9,831 |
| sprank(A)-rank(A) |
2,767 |
| Null Space Dimension |
2,767 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
