Cunningham/k3plates
FE stiffness matrix, 3 plates meeting at a line. A. Cunningham
| Name | k3plates | 
| Group | Cunningham | 
| Matrix ID | 842 | 
| Num Rows | 11,107 | 
| Num Cols | 11,107 | 
| Nonzeros | 378,927 | 
| Pattern Entries | 378,927 | 
| Kind | Acoustics Problem | 
| Symmetric | No | 
| Date | 2002 | 
| Author | A. Cunningham | 
| Editor | T. Davis | 
 
 
| Structural Rank | 11,107 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 99.9% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 1.995107e+10 | 
| Minimum Singular Value | 1.326957e-08 | 
| Condition Number | 1.503520e+18 | 
| Rank | 11,101 | 
| sprank(A)-rank(A) | 6 | 
| Null Space Dimension | 6 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |