We propose a functional discrete method for solving the Goursat problem for the nonlinear Klein–Gordon equation. Sufficient conditions for the superexponential convergence of this method are established. The obtained theoretical results are illustrated by a numerical example.
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Published in Ukrains’kyi Matematychnyi Zhurnal, Vol. 64, No. 10, pp. 1394–1415, October, 2012.
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Makarov, V.L., Dragunov, D.V. & Sember, D.A. FD-method for solving the nonlinear klein–gordon equation. Ukr Math J 64, 1586–1609 (2013). https://doi.org/10.1007/s11253-013-0737-2
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DOI: https://doi.org/10.1007/s11253-013-0737-2