Abstract
We obtain the exact values of the bestL 1-approximations of the classesW r1 of periodic functions by periodic polynomial splines of degreer and defect 1 with equidistant knots that belong to the classW r1 .
References
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 46, No. 10, pp. 1410–1413, October, 1994.
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Babenko, V.F. BestL 1-approximations of classesW r1 by Splines fromW r1 . Ukr Math J 46, 1557–1560 (1994). https://doi.org/10.1007/BF01066101
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DOI: https://doi.org/10.1007/BF01066101