It is well known that many iterative methods work much better if provided with a suitable preconditioner. We should thus aim to facilitate specifying such preconditioner. We should also provide basic examples such as a Jacobi (or diagonal) preconditioner.
It is well known that many iterative methods work much better if provided with a suitable preconditioner. We should thus aim to facilitate specifying such preconditioner. We should also provide basic examples such as a Jacobi (or diagonal) preconditioner.