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Original Articles

Spectral collocation solution of a generalized Hirota–Satsuma coupled KdV equation

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Pages 541-551 | Received 08 May 2006, Accepted 08 Jan 2007, Published online: 21 May 2007
 

Abstract

In this paper the solution of a generalized Hirota–Satsuma Korteweg–de Vires (KdV) equation using a pseudospectral method is presented. To reduce roundoff error we use some preconditionings. Firstly, we discretize the equation in space to obtain a system of time-dependent ordinary differential equations. Secondly, we solve the obtained system of ordinary differential equations using the fourth-order Runge–Kutta method. The method works very well because the absolute errors are very small.

Acknowledgements

The authors are most indebted to the referee(s) for very constructive suggestions.

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