Pothen/sphere2
sphere2, with coordinates. From NASA, collected by Alex Pothen
| Name |
sphere2 |
| Group |
Pothen |
| Matrix ID |
883 |
|
Num Rows
|
66 |
|
Num Cols
|
66 |
|
Nonzeros
|
450 |
|
Pattern Entries
|
450 |
|
Kind
|
Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
2003 |
|
Author
|
NASA |
|
Editor
|
G. Kumfert, A. Pothen |
| Structural Rank |
66 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
no |
|
Type
|
binary |
| SVD Statistics |
| Matrix Norm |
6.877074e+00 |
| Minimum Singular Value |
2.273516e-16 |
| Condition Number |
3.024863e+16
|
| Rank |
64 |
| sprank(A)-rank(A) |
2 |
| Null Space Dimension |
2 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
