Schenk_IBMNA/c-18
IBM TJ Watson, non-linear optimization
| Name | c-18 | 
| Group | Schenk_IBMNA | 
| Matrix ID | 1537 | 
| Num Rows | 2,169 | 
| Num Cols | 2,169 | 
| Nonzeros | 15,145 | 
| Pattern Entries | 15,145 | 
| Kind | Optimization Problem | 
| Symmetric | Yes | 
| Date | 2006 | 
| Author | IBM | 
| Editor | O. Schenk | 
 
 
| Structural Rank | 2,169 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 6.410450e+05 | 
| Minimum Singular Value | 2.645988e-03 | 
| Condition Number | 2.422705e+08 | 
| Rank | 2,169 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 0 | 
| Full Numerical Rank? | yes | 
| Download Singular Values | MATLAB |