| 一种收敛的重开始GMRES算法 |
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| 引用本文： | 曹志浩,陈光喜.一种收敛的重开始GMRES算法[J].复旦学报(自然科学版),1997,36(6):645-651. |
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| 作者姓名： | 曹志浩 陈光喜 |
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| 摘 要： | 提出了一种收敛的ＧＭＲＥＳ方法，它克服了重开始ＧＭＲＥＳ算法的残量范数停滞现象，并给出了收敛速度的估计，数值试验证明了方法的有效性与可行性。
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| 关 键 词： | 线性方程组 Krylov子空间 GMRES算法 收敛 |
A convergent restarted GMRES algorithm |
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| Cao Zhihao, Chen Guangxi, Hou Xiaodong.A convergent restarted GMRES algorithm[J].Journal of Fudan University(Natural Science),1997,36(6):645-651. |
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| Authors: | Cao Zhihao Chen Guangxi Hou Xiaodong |
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| Institution: | Department of Mathematics |
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| Abstract: | A convergent restarted GMRES(m) algorithm is presented. The convergence and an alternative scheme, which avoids general stagnation in GMRES (m), are also discussed.Numerical tests justify the two algorithms to be efficient and practical. |
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| Keywords: | non symmetric linear system Krylov subspace GMRES stagnation |
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