Boeing/bcsstk35
STIFFNESS MATRIX, AUTOMOBILE SEAT FRAME AND BODY ATTACHMENT
| Name | bcsstk35 | 
| Group | Boeing | 
| Matrix ID | 340 | 
| Num Rows | 30,237 | 
| Num Cols | 30,237 | 
| Nonzeros | 1,450,163 | 
| Pattern Entries | 1,450,163 | 
| Kind | Structural Problem | 
| Symmetric | Yes | 
| Date | 1995 | 
| Author | R. Grimes | 
| Editor | T. Davis | 
 
 
| Structural Rank | 30,237 | 
| 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 | real | 
 
| SVD Statistics | 
| Matrix Norm | 4.949239e+09 | 
| Minimum Singular Value | 1.110887e-05 | 
| Condition Number | 4.455216e+14 | 
| Rank | 30,231 | 
| sprank(A)-rank(A) | 6 | 
| Null Space Dimension | 6 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |