Boeing/msc01050
SYMMETRIC TEST MATRIX FROM MSC/NASTRAN STARF8.OUT2
| Name |
msc01050 |
| Group |
Boeing |
| Matrix ID |
358 |
|
Num Rows
|
1,050 |
|
Num Cols
|
1,050 |
|
Nonzeros
|
26,198 |
|
Pattern Entries
|
29,156 |
|
Kind
|
Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
1995 |
|
Author
|
R. Grimes |
|
Editor
|
T. Davis |
| Structural Rank |
1,050 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
2,958 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
yes |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
2.100926e+07 |
| Minimum Singular Value |
4.584576e-09 |
| Condition Number |
4.582596e+15
|
| Rank |
1,049 |
| sprank(A)-rank(A) |
1 |
| Null Space Dimension |
1 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|