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Fast matrix splitting preconditioners for higher dimensional spatial fractional diffusion equations 期刊论文
JOURNAL OF COMPUTATIONAL PHYSICS, 2020, 卷号: 404, 页码: 13
作者:  Bai, Zhong-Zhi;  Lu, Kang-Ya
收藏  |  浏览/下载:152/0  |  提交时间:2020/05/24
Spatial fractional diffusion equations  Shifted finite-difference discretization  Block Toeplitz-like matrix  Block circulant-like matrix  Preconditioning  Eigenvalue distribution  
Preconditioners for nonsymmetric block Toeplitz-like-plus-diagonal linear systems 期刊论文
NUMERISCHE MATHEMATIK, 2003, 卷号: 96, 期号: 2, 页码: 197-220
作者:  Bai, ZZ;  Ng, MK
收藏  |  浏览/下载:104/0  |  提交时间:2018/07/30
Convergence of the multigrid method for ill-conditioned block Toeplitz systems 期刊论文
BIT NUMERICAL MATHEMATICS, 2001, 卷号: 41, 期号: 1, 页码: 179-190
作者:  Sun, HW;  Jin, XQ;  Chang, QS
收藏  |  浏览/下载:87/0  |  提交时间:2018/07/30
multigrid method  block Toeplitz matrix