On 9/18/19 9:33 AM, Konrad Simon wrote:
>
> I have a quick question: Suppose I know a vector that is close to the
> solution of my linear system. Is there a method to initialize an
> iterative solver with this vector?
Yes, you just set the solution vector to your best guess before you pass
it to the solver. But you'll find that in practice, this rarely reduced
the number of iterations by any significant amount :-(
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
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