Abstract
We consider minimum-error evaluation of integrals of rapidly oscillating functions of the form
where f(x) is in the class of interpolation Lipschitzian functions and the information given about f(x) is approximate. The boundary function method is applied to derive lower bounds on the numerical integration error of l(ω) in this class and quadrature formulas attaining these bounds are constructed.
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V. K. Zadiraka, “On accuracy-optimal integration algorithms for rapidly oscillating functions,” in: Optimization of Computations [in Russian], IK AN UkrSSR, Kiev (1975), pp. 3–8.
V. V. Ivanov, “Optimization of numerical solution methods for singular integral equations,” in: 1st All-Union School on Theory and Numerical Methods of Computation of Shells and Plates, Gegechkori, 1974 [in Russian], Izd. Tbil. Univ., Tbilisi (1975), pp. 251–266.
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Translated from Vychislitel'naya i Prikladnaya Matematika, No. 61, pp. 20–27, 1987.
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Kasenov, S.Z. Accuracy-optimal evaluation of the fourier transform for CL,N,ɛ functions. J Math Sci 63, 418–423 (1993). https://doi.org/10.1007/BF01849522
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DOI: https://doi.org/10.1007/BF01849522