Bai/qh768
QUEBEC HYDRO POWER SYSTEM
| Name | qh768 | 
| Group | Bai | 
| Matrix ID | 1627 | 
| Num Rows | 768 | 
| Num Cols | 768 | 
| Nonzeros | 2,934 | 
| Pattern Entries | 2,934 | 
| Kind | Power Network Problem | 
| Symmetric | No | 
| Date | 1994 | 
| Author | D. Ndereyimana | 
| Editor | Z. Bai, D. Day, J. Demmel, J. Dongarra | 
 
 
| Structural Rank | 768 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 43 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 93.5% | 
| Numeric Symmetry | 0% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 1.356701e+13 | 
| Minimum Singular Value | 1.570260e-04 | 
| Condition Number | 8.639978e+16 | 
| Rank | 644 | 
| sprank(A)-rank(A) | 124 | 
| Null Space Dimension | 124 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |