Rothberg/cfd2
CFD, symmetric pressure matrix, from Ed Rothberg, Silicon Graphics, Inc.
| Name | cfd2 | 
| Group | Rothberg | 
| Matrix ID | 805 | 
| Num Rows | 123,440 | 
| Num Cols | 123,440 | 
| Nonzeros | 3,085,406 | 
| Pattern Entries | 3,087,898 | 
| Kind | Computational Fluid Dynamics Problem | 
| Symmetric | Yes | 
| Date | 1997 | 
| Author | E. Rothberg | 
| Editor | T. Davis | 
 
 
| Structural Rank | 123,440 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 2,492 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | yes | 
| Type | real |