HB/bcsstk31
STIFFNESS MATRIX FOR AUTOMOBILE COMPONENT (MSC NASTRAN) - PATTERN ONLY
| Name |
bcsstk31 |
| Group |
HB |
| Matrix ID |
53 |
|
Num Rows
|
35,588 |
|
Num Cols
|
35,588 |
|
Nonzeros
|
1,181,416 |
|
Pattern Entries
|
1,181,416 |
|
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 |
35,588 |
| 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
|
no |
|
Type
|
binary |
| SVD Statistics |
| Matrix Norm |
5.796906e+01 |
| Minimum Singular Value |
3.987424e-234 |
| Condition Number |
1.453797e+235
|
| Rank |
16,803 |
| sprank(A)-rank(A) |
18,785 |
| Null Space Dimension |
18,785 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
