|  | -pep_view | - print information about the solver used | 
|  | -pep_view_matk | - view the coefficient matrix Ak (replace k by an integer from 0 to nmat-1) | 
|  | -pep_view_vectors | - view the computed eigenvectors | 
|  | -pep_view_values | - view the computed eigenvalues | 
|  | -pep_converged_reason | - print reason for convergence, and number of iterations | 
|  | -pep_error_absolute | - print absolute errors of each eigenpair | 
|  | -pep_error_relative | - print relative errors of each eigenpair | 
|  | -pep_error_backward | - print backward errors of each eigenpair |