[Trilinos-Users] design new preconditioner

[Hoang Giang Bui]

Hi

I want to design a custom preconditioner for my problem using trilinos. For
a little bit more detail, my matrix is of type 2x2 block and I want to
precond the (1,1) block and its Schur complement's approximation. What I
can see now is to subclass the Epetra_Operator and implement method
ApplyInverse. Is there a better way to combine existing preconditioners in
trilinos to form a new preconditioner? Or is there another interface could
support to do so ?

BR
Giang Bui
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