[petsc-users] How to get the eigenvectors in Slepc

[Jose E. Roman]

El 14/04/2013, a las 17:53, Sonya Blade escribió:

> Thanks in advance,
> 
> I'm already reading those manuals Petsc,Slepc, online Petsc/Slepc documents are always open in my browser.
> But it seems it really take times to get used to it, which I think that this is what I'm suffering for the time being.
> 
> Can you confirm that having all the eigenvalues as real and corresponding eigenvectors as zero and having 
> imaginary parts is something weird. At least to confirm that I'm on a right path and this should be the point 
> that I've to focus.
> 
> Regards, 

Let me put it more clearly: you are not getting eigenvector entries, your printing statement is nonsense (you print a pointer as a floating point number), so you cannot say the imaginary part is nonzero. It is indeed zero, SLEPc gives the right solution, your program is wrong.

Jose