HB/sstmodel
S  CONNECTIVITY STRUCTURE OF EARLY BOEING 2707 SST AIRFRAME
| Name | sstmodel | 
| Group | HB | 
| Matrix ID | 250 | 
| Num Rows | 3,345 | 
| Num Cols | 3,345 | 
| Nonzeros | 22,749 | 
| Pattern Entries | 22,749 | 
| Kind | Structural Problem | 
| Symmetric | Yes | 
| Date | 1983 | 
| Author | E. Meyer | 
| Editor | I. Duff, R. Grimes, J. Lewis | 
 
 
| Structural Rank | 3,345 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 616 | 
| Strongly Connect Components | 616 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | no | 
| Type | binary | 
 
| SVD Statistics | 
| Matrix Norm | 1.212484e+01 | 
| Minimum Singular Value | 3.545006e-18 | 
| Condition Number | 3.420260e+18 | 
| Rank | 3,326 | 
| sprank(A)-rank(A) | 19 | 
| Null Space Dimension | 19 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |