P-斜循环预条件GMRES法求解常微分方程
P-skew-circulant preconditioned GMRES methods for solving ordinary differential equations
摘要
提出了一种新的斜循环矩阵作为预条件矩阵的GMRES法,并证明了它的收敛性;数值算例表明了该方法的有效性.
A new skew-circulant preconditioning matrix was presented and the convergence of the proposed method was given. Numerical examples also illustrated the efficiency of this method.
出处
《兰州大学学报（自然科学版）》
CAS
CSCD
北大核心
2010年第4期97-100,105,共5页
Journal of Lanzhou University(Natural Sciences)
关键词
斜循环预条件
常微分方程
边值法
GMRES法
skew-circulant preconditioner
ordinary differential equation
boundary value method
GMRES method
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