期刊
IMA JOURNAL OF NUMERICAL ANALYSIS
卷 34, 期 2, 页码 569-591出版社
OXFORD UNIV PRESS
DOI: 10.1093/imanum/drt004
关键词
radial basis function; compact support; Galerkin approximation; partial differential equation; multiscale
资金
- Australian Research Council
The aim of this work is to consider multiscale algorithms for solving partial differential equations (PDEs) with Galerkin methods on bounded domains. We provide results on convergence and condition numbers. We show how to handle PDEs with Dirichlet boundary conditions. We also investigate convergence in terms of the mesh norms and the angles between subspaces to better understand the differences between the algorithms and the observed results. We also consider the issue of the supports of the radial basis funtions overlapping the boundary in our stability analysis, which has not been considered in the literature to the best of our knowledge.
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