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Reference book directly in step-55. #13238

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Jan 14, 2022
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Reference book directly in step-55. #13238

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4 changes: 2 additions & 2 deletions examples/step-55/doc/intro.dox
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Expand Up @@ -131,8 +131,8 @@ We will use approximations of the inverse operations in $P^{-1}$ that are
(nearly) independent of $h$. In this situation, one can again show, that the
eigenvalues are independent of $h$. For the Krylov method we choose MINRES,
which is attractive for the analysis (iteration count is proven to be
independent of $h$, see the remainder of the chapter 6.2.1 in the book
mentioned above), great from the computational standpoint (simpler and cheaper
independent of $h$, see the remainder of the chapter 6.2.1 in @cite elman2005),
great from the computational standpoint (simpler and cheaper
than GMRES for example), and applicable (matrix and preconditioner are
symmetric).

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