Some observations on weighted GMRES

We investigate the convergence of the weighted GMRES method for solving linear systems. Two different weighting variants are compared with unweighted GMRES for three model problems, giving a phenomenological explanation of cases where weighting improves convergence, and a case where weighting has no...

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Bibliographic Details
Main Authors: Güttel, S, Pestana, J
Format: Journal article
Published: 2012

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