Description: Eigenvalue extraction method:
| LANCZOS | Selects the high performance PCGLSS block Lanczos eigensolver. This eigensolver is recommended for large problems and will generally be faster than the subspace eigensolver. |
| SUBSPACE | Selects the subspace eigensolver. |
| FEAST | Selects the FEAST eigensolver. |
| AUTO | The program picks the best method based on the RAM directive setting and model size. See also EXTRACTAUTOSIZE. |
Option/Type:
| LANCZOS |
| SUBSPACE |
| FEAST |
| AUTO |
Default: AUTO