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A Fast Block $\alpha$-Circulant Preconditoner for All-at-Once Systems From Wave Equations
SIAM Journal on Matrix Analysis and Applications ( IF 1.5 ) Pub Date : 2020-01-01 , DOI: 10.1137/19m1309869
Jun Liu , Shu-Lin Wu

In this paper, we propose a fast block $\alpha$-circulant preconditioner for solving the nonsymmetric linear system arising from an all-at-once implicit discretization scheme in time for the wave e...

中文翻译:

从波动方程到一次性系统的快速块 $\alpha$-循环预处理器

在本文中,我们提出了一种快速块 $\alpha$-循环预处理器,用于求解由一次性隐式离散化方案引起的非对称线性系统,以便及时处理波...
更新日期:2020-01-01
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