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Numerical solution of hyperbolic telegraph equation using the Chebyshev tau method. (English) Zbl 1186.65136
The authors give a numerical scheme to solve the one-dimensional hyperbolic telegraph equation. The approach consists of reducing the problem to a set of algebraic equations by expanding the approximate solution in terms of shifted Chebyshev polynomials with unknown coefficients. The operational matrices of the integral and the derivative are given and these matrices together with the tau method are then utilized to evaluate the unknown coefficients of shifted Chebyshev polynomials.

MSC:
65M70 Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs
35L05 Wave equation
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