Schenk_IBMNA/c-23
IBM TJ Watson, non-linear optimization
| Name | c-23 | 
| Group | Schenk_IBMNA | 
| Matrix ID | 1542 | 
| Num Rows | 3,969 | 
| Num Cols | 3,969 | 
| Nonzeros | 31,079 | 
| Pattern Entries | 31,079 | 
| Kind | Optimization Problem | 
| Symmetric | Yes | 
| Date | 2006 | 
| Author | IBM | 
| Editor | O. Schenk | 
 
 
| Structural Rank | 3,969 | 
| 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 | 1.089708e+03 | 
| Minimum Singular Value | 4.780286e-02 | 
| Condition Number | 2.279588e+04 | 
| Rank | 3,969 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 0 | 
| Full Numerical Rank? | yes | 
| Download Singular Values | MATLAB |