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Compatible rate-of-convergence bounds for the grid method in the eigenvalue problem for the Helmholtz equation in a right triangle

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Abstract

An O(h) accurate difference scheme is constructed for the eigenvalue problem for the Helmholtz operator in a right triangle. The convergence of the difference scheme is analyzed under conditions ensuring that the eigenfunctions of the differential problem are in the space W 12 (Ω).

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Translated from Vychislitel'naya i Prikladnaya Matematika, No. 63, pp. 50–57, 1987.

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Rybak, Y.I. Compatible rate-of-convergence bounds for the grid method in the eigenvalue problem for the Helmholtz equation in a right triangle. J Math Sci 66, 2165–2171 (1993). https://doi.org/10.1007/BF01098601

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  • DOI: https://doi.org/10.1007/BF01098601

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