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Perturbation theory for approximately integrable partial differential equations, and the change of amplitude of solitary-wave solutions of the BBM equation

✍ Scribed by Byatt-Smith, J. G. B.

Book ID
120108191
Publisher
Cambridge University Press
Year
1987
Tongue
English
Weight
260 KB
Volume
182
Category
Article
ISSN
0022-1120

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## Abstract In this article, we introduce a type of basis functions to approximate a set of scattered data. Each of the basis functions is in the form of a truncated series over some orthogonal system of eigenfunctions. In particular, the trigonometric eigenfunctions are used. We test our basis fun