Interpolation finite difference schemes on grids locally refined in time
β Scribed by G.I. Shishkin; P.N. Vabishchevich
- Book ID
- 108391059
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 246 KB
- Volume
- 190
- Category
- Article
- ISSN
- 0045-7825
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We construct local fourth-order finite difference approximations of first and second derivatives, on nonuniform grids, in one dimension. The approximations are required to satisfy symmetry relationships that come from the analogous higher-dimensional fundamental operators: the divergence, the gradie