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Minimum residual two-parameter TSCSP method for solving complex symmetric linear systems

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Abstract

By utilizing the minimum residual technique to the two-parameter TSCSP (TTSCSP) iteration method, we propose the two-step minimum residual TTSCSP (TMRTTSCSP) method for solving the large sparse complex symmetric linear systems in this article. Meanwhile, we explore the convergence conditions of this method. Moreover, by synthesizing the iterative scheme of the TTSCSP method into one step, we derive the single-step minimum residual TTSCSP (SMRTTSCSP) method and discuss its convergence properties as well. Finally, we verify the effectiveness of these two new methods and compare them with several existing ones by two numerical experiments.

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Acknowledgements

We would like to express our sincere thanks to the editor and the anonymous reviewers for their valuable suggestions and constructive comments which greatly improved the presentation of this paper.

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Correspondence to Zhengge Huang.

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This work was supported by the National Science Foundation of China (No. 11901123), the Guangxi Natural Science Foundations (Nos. 2018JJB110062, 2019AC20062, 2021JJB110006, 2021AC19147), the Natural Science Foundation of Guangxi University for Nationalities (No. 2019KJQN001) and the Graduate Innovation Program of Guangxi University for Nationalities (No. gxun-chxs 2021056).

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Xie, X., Huang, Z., Cui, J. et al. Minimum residual two-parameter TSCSP method for solving complex symmetric linear systems. Comp. Appl. Math. 42, 52 (2023). https://doi.org/10.1007/s40314-023-02195-z

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  • DOI: https://doi.org/10.1007/s40314-023-02195-z

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