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Generalization of Negative Results for Interpolation Convex Approximation of Functions Having a Fractional Derivative in Sobolev Space

We discuss whether on not it is possible to have interpolatory estimates in the approximation of a function of Sobolev`s space by polynomials. The problem of positive approximation is to estimate the pointwise degree of approximation of a function of r times continuously differentiable and positive...

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Bibliographic Details
Date:	2022
Main Authors:	Петрова, Тамара, Петрова, Ірина
Format:	Article
Language:	Ukrainian
Published:	Кам'янець-Подільський національний університет імені Івана Огієнка 2022
Online Access:	http://mcm-math.kpnu.edu.ua/article/view/274094
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Journal Title:	Mathematical and computer modelling. Series: Physical and mathematical sciences

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Mathematical and computer modelling. Series: Physical and mathematical sciences

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