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On some problems of optimal recovery of analytic and harmonic functions from inaccurate data

โœ Scribed by K.Yu Osipenko; M.I Stessin


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
828 KB
Volume
70
Category
Article
ISSN
0021-9045

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Exact Values of N-Widths and Optimal Qua
โœ K.Y. Osipenko ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 419 KB

In this paper we find some exact values of \(n\)-widths in the integral metric with the Chebyshev weight function for the classes of functions that are bounded and analytic or harmonic in the interior of the ellipse with foci \(\pm 1\) and sum of semiaxes \(c\). We also construct optimal quadrature