GHS_psdef/gridgena
Gould, Hu, & Scott: grid generation optimization (CUTEr)
| Name | gridgena | 
| Group | GHS_psdef | 
| Matrix ID | 1311 | 
| Num Rows | 48,962 | 
| Num Cols | 48,962 | 
| Nonzeros | 512,084 | 
| Pattern Entries | 512,084 | 
| Kind | Optimization Problem | 
| Symmetric | Yes | 
| Date | 1991 | 
| Author | P. Barrera, A. Perez, L. Castellanos | 
| Editor | P. Toint | 
 
 
| Structural Rank | 48,962 | 
| 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 |