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20182022
most citedTowards understanding CG and GMRES through examples

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math.NA2018

Laplacian preconditioning of elliptic PDEs: Localization of the eigenvalues of the discretized operator

Tomáš Gergelits, Kent-André Mardal, Bjørn Fredrik Nielsen +1

In the paper \textit{Preconditioning by inverting the {L}aplacian; an analysis of the eigenvalues. IMA Journal of Numerical Analysis 29, 1 (2009), 24--42}, Nielsen, Hackbusch and T…