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On optimization of numerical differentiation methods for bivariate functions

UDC 519.653 For the problem of numerical differentiation for bivariate functions with finite smoothness, the exact orders of the minimum radius of Galerkin information are found, and also a variant of the truncation method is constructed, which is optimal in the sense of the indicated quantity.

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Bibliographic Details
Date:	2022
Main Authors:	Solodky , S. G., Stasyuk, S. A., Солодкий, С. Г., Стасюк, С. А.
Format:	Article
Language:	Ukrainian
Published:	Institute of Mathematics, NAS of Ukraine 2022
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/6906
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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