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Approximation of the $| x |^r$ function and its derivatives

We consider the problem of an effective approximation of derivatives of the function $|x|^r,r&gt;1$, in $C[-1,1]$ with the aid of polynomials introduced by V. K. Dzyadyk.

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Bibliographic Details
Date:	1990
Main Authors:	Shvai, A. I., Antonyuk, P. E., Dzyadyk, S. Yu., Zaritskaya, Z. V., Швай, А. И., Антонюк, П. Е., Дзядык , С. Ю., Зарицкая, З. В.
Format:	Article
Language:	Russian
Published:	Institute of Mathematics, NAS of Ukraine 1990
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/8845
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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