Rothberg/struct3
Finite element matrix, from Ed Rothberg, Silicon Graphics, Inc.
| Name | struct3 | 
| Group | Rothberg | 
| Matrix ID | 807 | 
| Num Rows | 53,570 | 
| Num Cols | 53,570 | 
| Nonzeros | 1,173,694 | 
| Pattern Entries | 1,173,694 | 
| Kind | Structural Problem | 
| Symmetric | Yes | 
| Date | 1997 | 
| Author | E. Rothberg | 
| Editor | T. Davis | 
 
 
| Structural Rank | 53,570 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 2 | 
| Strongly Connect Components | 2 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | no | 
| Type | binary |