Boeing/msc01440
SYMMETRIC TEST MATRIX FROM MSC/NASTRAN CYLF8.OUT2
| Name |
msc01440 |
| Group |
Boeing |
| Matrix ID |
359 |
|
Num Rows
|
1,440 |
|
Num Cols
|
1,440 |
|
Nonzeros
|
44,998 |
|
Pattern Entries
|
46,270 |
|
Kind
|
Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
1995 |
|
Author
|
R. Grimes |
|
Editor
|
T. Davis |
| Structural Rank |
1,440 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
1,272 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
yes |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
1.356593e+06 |
| Minimum Singular Value |
4.103582e-01 |
| Condition Number |
3.305875e+06
|
| Rank |
1,440 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
