HB/bcsstk20
SYMMETRIC STIFFNESS MATRIX - FRAME WITHIN A SUSPENSION BRIDGE
| Name |
bcsstk20 |
| Group |
HB |
| Matrix ID |
42 |
|
Num Rows
|
485 |
|
Num Cols
|
485 |
|
Nonzeros
|
3,135 |
|
Pattern Entries
|
3,135 |
|
Kind
|
Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
1984 |
|
Author
|
J. Lewis |
|
Editor
|
I. Duff, R. Grimes, J. Lewis |
| Structural Rank |
485 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
4 |
|
Strongly Connect Components
|
4 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
yes |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
12,615,207,924,650,080 |
| Minimum Singular Value |
3.240766e+03 |
| Condition Number |
3.892662e+12
|
| Rank |
485 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
