HB/bcsstk30
STIFFNESS MATRIX FOR OFF-SHORE GENERATOR PLATFORM (MSC NASTRAN) - PATTER
| Name |
bcsstk30 |
| Group |
HB |
| Matrix ID |
52 |
|
Num Rows
|
28,924 |
|
Num Cols
|
28,924 |
|
Nonzeros
|
2,043,492 |
|
Pattern Entries
|
2,043,492 |
|
Kind
|
Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
1986 |
|
Author
|
R. Cigel, R. Grimes, J. Lewis, E. Meyer |
|
Editor
|
I. Duff, R. Grimes, J. Lewis |
| Structural Rank |
28,924 |
| 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 |
9.530248e+01 |
| Minimum Singular Value |
0 |
| Condition Number |
Inf
|
| Rank |
8,935 |
| sprank(A)-rank(A) |
19,989 |
| Null Space Dimension |
19,989 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
