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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| Date: | 2022 |
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| Main Authors: | , |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Кам'янець-Подільський національний університет імені Івана Огієнка
2022
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| 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 |