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Spectral Methods and a Maximum Principle
Mathematics of Computation
Vol. 51, No. 184 (Oct., 1988), pp. 615-629
Published by: American Mathematical Society
Stable URL: http://www.jstor.org/stable/2008766
Page Count: 15
You can always find the topics here!Topics: Spectral methods, Polynomials, Maximum principle, Approximation, Textual collocation, Boundary layers, Coefficients, Mathematical problems, Galerkin methods, Boundary value problems
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Various spectral Chebyshev approximations of a model boundary layer problem for both a Helmholtz and an advection-diffusion operator are considered. It is assumed that simultaneously the boundary layer width tends to zero and the resolution power of the numerical method tends to infinity. The behavior of the spectral solutions in the frequency space and in the physical space is investigated. Error estimates are derived.
Mathematics of Computation © 1988 American Mathematical Society