GHS_indef/ncvxqp1
Gould, Hu, & Scott: KKT matrix - nonconvex QP (CUTEr)
| Name | ncvxqp1 | 
| Group | GHS_indef | 
| Matrix ID | 1242 | 
| Num Rows | 12,111 | 
| Num Cols | 12,111 | 
| Nonzeros | 73,963 | 
| Pattern Entries | 73,963 | 
| Kind | Optimization Problem | 
| Symmetric | Yes | 
| Date | 1994 | 
| Author | N. Gould | 
| Editor | N. Gould | 
 
 
| Structural Rank | 12,111 | 
| 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 | 7.580208e+12 | 
| Minimum Singular Value | 5.229257e-17 | 
| Condition Number | 1.449576e+29 | 
| Rank | 7,087 | 
| sprank(A)-rank(A) | 5,024 | 
| Null Space Dimension | 5,024 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |