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Convergence analysis on multigrid methods for elliptic problems with large jumps in coefficients 期刊论文
IMA JOURNAL OF NUMERICAL ANALYSIS, 2015, 卷号: 35, 期号: 4, 页码: 1888-1912
作者:  Zheng, Hui;  Wu, Jinbiao
收藏  |  浏览/下载:107/0  |  提交时间:2018/07/30
multigrid method  jump coefficient problem  discrete harmonic extension  nearly singular problem  preconditioned conjugate gradient method  
Restrictively preconditioned conjugate gradient methods for systems of linear equations 期刊论文
IMA JOURNAL OF NUMERICAL ANALYSIS, 2003, 卷号: 23, 期号: 4, 页码: 561-580
作者:  Bai, ZZ;  Li, GQ
收藏  |  浏览/下载:107/0  |  提交时间:2018/07/30
nonsymmetric linear system  conjugate gradient method  Krylov subspace iteration  preconditioning