[Getfem-users] Regarding preconditioners

[Bwalya Malama]

Hi:

I have an embarassingly simple question. In the user manual for gmm++
there is the following:

>>>>>> gmm::diagonal_precond<matrix_type> P(SM)

The question is what is SM? Is this the coefficient matrix from which the
diagonal is extracted? If my coefficient matrix is of type:

>>>>>> gmm::row_matrix< gmm::wsvector<complex<double> > >

what matrix type should matrices P and SM be?

Sincerely,
-- Bwalya
Bwalya Malama, Ph.D.
Center for Geophysical Research of the Shallow Subsurface
Boise State University
Boise, Idaho
tel: 208-426-2959
email: address@hidden