[petsc-users] Slepc: Nonlinear eigenvalue problem

[Manav Bhatia]

As a followup to this, if I am using a shell matrix for eigensolution (linear or nonlinear eigenproblems), what operations should be defined for the shell matrix? 

-Manav

> On Oct 22, 2018, at 2:05 PM, Manav Bhatia <bhatiamanav at gmail.com> wrote:
> 
> Hi, 
> 
>   I am exploring the nonlinear eigenvalue problem solver in Slepc. 
> 
>   From the notes in "Sec 6.4: Retrieving the Solution”, it appears that if I expect to find complex eigenpairs then I must compile the library (and Petsc) with complex scalars. Is that correct? 
> 
>   Is there a way to include support for complex eigenpairs in a library complied with real scalars? 
> 
> Regards,
> Manav
> 
>