HB/bcspwr08
SYMMETRIC STRUCTURE REPRESENTATION OF WESTERN US POWER NETWORK
| Name | bcspwr08 | 
| Group | HB | 
| Matrix ID | 20 | 
| Num Rows | 1,624 | 
| Num Cols | 1,624 | 
| Nonzeros | 6,050 | 
| Pattern Entries | 6,050 | 
| Kind | Power Network Problem | 
| Symmetric | Yes | 
| Date | 1981 | 
| Author | B. Dembart, J. Lewis | 
| Editor | I. Duff, R. Grimes, J. Lewis | 
 
 
| Structural Rank | 1,624 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | no | 
| Type | binary | 
 
| SVD Statistics | 
| Matrix Norm | 5.785906e+00 | 
| Minimum Singular Value | 3.447318e-17 | 
| Condition Number | 1.678379e+17 | 
| Rank | 1,613 | 
| sprank(A)-rank(A) | 11 | 
| Null Space Dimension | 11 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |