Schenk_IBMNA/c-21
IBM TJ Watson, non-linear optimization
| Name | c-21 | 
| Group | Schenk_IBMNA | 
| Matrix ID | 1540 | 
| Num Rows | 3,509 | 
| Num Cols | 3,509 | 
| Nonzeros | 32,145 | 
| Pattern Entries | 32,157 | 
| Kind | Optimization Problem | 
| Symmetric | Yes | 
| Date | 2006 | 
| Author | IBM | 
| Editor | O. Schenk | 
 
 
| Structural Rank | 3,509 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 7 | 
| Strongly Connect Components | 7 | 
| Num Explicit Zeros | 12 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 5.972283e+03 | 
| Minimum Singular Value | 1.819508e-03 | 
| Condition Number | 3.282361e+06 | 
| Rank | 3,509 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 0 | 
| Full Numerical Rank? | yes | 
| Download Singular Values | MATLAB |