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oaioai:pure.rug.nl:publications/5dfa312b-25da-4f5b-9f11-844a02a283c4

A flexible and adaptive Simpler GMRES with deflated restarting for shifted linear systems

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Publication date
1 August 2019
Publisher
Doi

    Abstract

    In this paper, two efficient iterative algorithms based on the Simpler GMRES method are proposed for solving shifted linear systems. To make full use of the shifted structure, the proposed algorithms utilizing the deflated restarting strategy and flexible preconditioning can significantly reduce the number of matrix vector products and the elapsed CPU time. Numerical experiments are reported to illustrate the performance and effectiveness of the proposed algorithms. (C) 2019 Elsevier Ltd. All rights reserved.</p

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    Dissertations of the University of Groningen

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    Last time updated on 02/06/2022

    This paper was published in Dissertations of the University of Groningen.

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