Nasa/nasa2146
STRUCTURE FROM NASA LANGLEY, 2146 DEGREES OF FREEDOM
| Name |
nasa2146 |
| Group |
Nasa |
| Matrix ID |
758 |
|
Num Rows
|
2,146 |
|
Num Cols
|
2,146 |
|
Nonzeros
|
72,250 |
|
Pattern Entries
|
72,250 |
|
Kind
|
Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
1995 |
|
Author
|
NASA |
|
Editor
|
G. Kumfert, A. Pothen |
| Structural Rank |
2,146 |
| 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
|
yes |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
3.272816e+07 |
| Minimum Singular Value |
1.898015e+04 |
| Condition Number |
1.724336e+03
|
| Rank |
2,146 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
