Comparison of Pseudospectral and Spectral Approximation
- 1 September 1972
- journal article
- research article
- Published by Wiley in Studies in Applied Mathematics
- Vol. 51 (3), 253-259
- https://doi.org/10.1002/sapm1972513253
Abstract
The accuracy of pseudospectral (collocation) approximation is compared to spectral (Galerkin) approximation in some simple model problems. It is found that both approximations give similar errors, despite the inclusion of aliasing terms in pseudospectral approximation.Keywords
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