GHS_indef/ncvxqp9
Gould, Hu, & Scott: KKT matrix - nonconvex QP (CUTEr)
| Name | ncvxqp9 | 
| Group | GHS_indef | 
| Matrix ID | 1243 | 
| Num Rows | 16,554 | 
| Num Cols | 16,554 | 
| Nonzeros | 54,040 | 
| Pattern Entries | 54,040 | 
| Kind | Optimization Problem | 
| Symmetric | Yes | 
| Date | 1994 | 
| Author | N. Gould | 
| Editor | N. Gould | 
 
 
| Structural Rank | 16,554 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 555 | 
| Strongly Connect Components | 555 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 1.270504e+11 | 
| Minimum Singular Value | 3.300020e-08 | 
| Condition Number | 3.849989e+18 | 
| Rank | 14,617 | 
| sprank(A)-rank(A) | 1,937 | 
| Null Space Dimension | 1,937 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |