Schenk_AFE/af_shell5
Olaf Schenk, Univ. Basel: AutoForm Eng. GmbH, Zurich. sheet metal forming. indefinite
| Name | af_shell5 | 
| Group | Schenk_AFE | 
| Matrix ID | 944 | 
| Num Rows | 504,855 | 
| Num Cols | 504,855 | 
| Nonzeros | 17,579,155 | 
| Pattern Entries | 17,588,875 | 
| Kind | Subsequent Structural Problem | 
| Symmetric | Yes | 
| Date | 2003 | 
| Author | AutoForm Eng. | 
| Editor | O. Schenk | 
 
 
| Structural Rank | 504,855 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 9,720 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | no | 
| Type | real |