[petsc-users] Implementing a homotopy solver

zakaryah zakaryah at gmail.com
Tue Jul 17 12:31:39 CDT 2018

Thanks Matt.

>> 2) Is there a way to reuse the KSP for (1) to efficiently solve (2),
>> given the method which answers question 1) ?
> Not really, unless you use some type of factorization for the
> preconditioner.

Can you elaborate?
​I know that KSP can efficiently solve linear systems with the same matrix
but different right-hand sides, just by calling KSPSolve successively.
Will this be impossible within the nonlinear solver after calculating the
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