Abstract
A simple method is proposed for increasing the accuracy of computation of the eigenvalues of elliptic operators, which does not require high-order accurate schemes.
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References
V. Ya. Arsenin, Methods of Mathematical Physics and Special Functions [in Russian], Nauka, Moscow (1984).
N. N. Kalitkin, Numerical Methods [in Russian], Nauka, Moscow (1970).
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Translated from Vychislitel'naya i Prikladnaya Matematika, No. 63, pp. 63–68, 1987.
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Prikazchikov, V.G., Semchuk, A.R. Increasing the accuracy of eigenvalue computation in the spectral problem. J Math Sci 66, 2177–2181 (1993). https://doi.org/10.1007/BF01098603
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DOI: https://doi.org/10.1007/BF01098603