The following structure analysis methods are available. 
Static calculations
-  Skyline method 
 
-  Iterative method 
 
Note:  If you select the iterative solver, you must set it up in the Structure Analysis section of the Job Preferences dialog. 
 
Dynamic calculations (basic methods) 
- Subspace iteration method or block subspace iteration method 
 
- Lanczos method 
 
- Basis reduction method