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Mathematical and Computational Applications
Article . 2018 . Peer-reviewed
License: CC BY
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Article . 2018
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Heavy Ball Restarted CMRH Methods for Linear Systems

Heavy ball restarted CMRH methods for linear systems
Authors: Teng, Zhongming; Wang, Xuansheng;

Heavy Ball Restarted CMRH Methods for Linear Systems

Abstract

The restarted CMRH method (changing minimal residual method based on the Hessenberg process) using fewer operations and storage is an alternative method to the restarted generalized minimal residual method (GMRES) method for linear systems. However, the traditional restarted CMRH method, which completely ignores the history information in the previous cycles, presents a slow speed of convergence. In this paper, we propose a heavy ball restarted CMRH method to remedy the slow convergence by bringing the previous approximation into the current search subspace. Numerical examples illustrate the effectiveness of the heavy ball restarted CMRH method.

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Keywords

T57-57.97, Iterative numerical methods for linear systems, Applied mathematics. Quantitative methods, linear systems, QA75.5-76.95, Hessenberg, GMRES, heavy ball methods, Electronic computers. Computer science, QA1-939, CMRH, Mathematics

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold