[petsc-users] SLEPc: Setting options for mass matrix KSP in generalised eigenvalue problem

Cotter, Colin J colin.cotter at imperial.ac.uk
Wed Jan 16 03:32:17 CST 2019


Dear PETSc mailing list,

  A SLEPc question, sorry if this is obvious and I missed something.


How do I set the KSP for the mass matrix M in the generalised eigenvalue problem

(I'm looking for the eigenvalue with largest magnitude)


Ax = lambda*Mx


?

I can only find how to set the KSP for a spectral transform.


(I'm actually using slepc4py)


all the best

-_Colin
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