TKK/plbuckle
Double eigenvalue plate buckling; stiffness matrix K and initial stress G
| Name |
plbuckle |
| Group |
TKK |
| Matrix ID |
1911 |
|
Num Rows
|
1,282 |
|
Num Cols
|
1,282 |
|
Nonzeros
|
30,644 |
|
Pattern Entries
|
30,644 |
|
Kind
|
Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
2008 |
|
Author
|
R. Kouhia |
|
Editor
|
T. Davis |
| Structural Rank |
1,282 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
2 |
|
Strongly Connect Components
|
2 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
yes |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
2.097147e+06 |
| Minimum Singular Value |
1.634155e+00 |
| Condition Number |
1.283322e+06
|
| Rank |
1,282 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
| Download |
MATLAB
Rutherford Boeing
Matrix Market
|
| Notes |
Matrix problems from Reijo Kouhia, Structural Mechanics, Helsinki
University of Technology. http://users.tkk.fi/~kouhia/sparse.html
|
