Cunningham/qa8fm
3D acoustic FE mass matrix. A. Cunningham, Vibro-Acoustic Sciences Inc
| Name | qa8fm | 
| Group | Cunningham | 
| Matrix ID | 845 | 
| Num Rows | 66,127 | 
| Num Cols | 66,127 | 
| Nonzeros | 1,660,579 | 
| Pattern Entries | 1,660,579 | 
| Kind | Acoustics Problem | 
| Symmetric | Yes | 
| Date | 2002 | 
| Author | A. Cunningham | 
| Editor | T. Davis | 
 
 
| Structural Rank | 66,127 | 
| 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 | yes | 
| Type | real |