Convergence of Galerkin approximations for the Korteweg-de Vries equation
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- by Garth A. Baker, Vassilios A. Dougalis and Ohannes A. Karakashian PDF
- Math. Comp. 40 (1983), 419-433 Request permission
Abstract:
Standard Galerkin approximations, using smooth splines on a uniform mesh, to 1-periodic solutions of the Korteweg-de Vries equation are analyzed. Optimal rate of convergence estimates are obtained for both semidiscrete and second order in time fully discrete schemes. At each time level, the resulting system of nonlinear equations can be solved by Newton’s method. It is shown that if a proper extrapolation is used as a starting value, then only one step of the Newton iteration is required.References
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Additional Information
- © Copyright 1983 American Mathematical Society
- Journal: Math. Comp. 40 (1983), 419-433
- MSC: Primary 65M60; Secondary 65M10
- DOI: https://doi.org/10.1090/S0025-5718-1983-0689464-4
- MathSciNet review: 689464