Boeing/bcsstk37
STIFFNESS MATRIX, TRACK BALL
| Name | bcsstk37 | 
| Group | Boeing | 
| Matrix ID | 342 | 
| Num Rows | 25,503 | 
| Num Cols | 25,503 | 
| Nonzeros | 1,140,977 | 
| Pattern Entries | 1,140,977 | 
| Kind | Structural Problem | 
| Symmetric | Yes | 
| Date | 1995 | 
| Author | R. Grimes | 
| Editor | T. Davis | 
 
 
| Structural Rank | 25,503 | 
| 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 | 8.412869e+07 | 
| Minimum Singular Value | 1.224263e-06 | 
| Condition Number | 6.871781e+13 | 
| Rank | 25,395 | 
| sprank(A)-rank(A) | 108 | 
| Null Space Dimension | 108 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |