GHS_psdef/oilpan
 1. TEST MATRIX FROM INPRO FOR PARASOL (OIL-PAN)
| Name | oilpan | 
| Group | GHS_psdef | 
| Matrix ID | 1270 | 
| Num Rows | 73,752 | 
| Num Cols | 73,752 | 
| Nonzeros | 2,148,558 | 
| Pattern Entries | 3,597,188 | 
| Kind | Structural Problem | 
| Symmetric | Yes | 
| Date | 2004 | 
| Author | J. Weiher | 
| Editor | J. Koster | 
 
 
| Structural Rank | 73,752 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 17,459 | 
| Strongly Connect Components | 17,459 | 
| Num Explicit Zeros | 1,448,630 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | yes | 
| Type | real |