High-order finite difference schemes and Toeplitz based preconditioners for elliptic problems
[摘要]
[发布日期] [发布机构]
[效力级别] [学科分类] 数学(综合)
[关键词] finite differences;Toeplitz and Vandermonde matrices;clustering and preconditioning;ergodic theorems;spectral distribution. [时效性]