Approximation of periodic functions by Vallée Poussin sums (Q5945551)
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scientific article; zbMATH DE number 1657125
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Approximation of periodic functions by Vallée Poussin sums |
scientific article; zbMATH DE number 1657125 |
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Approximation of periodic functions by Vallée Poussin sums (English)
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27 May 2002
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The authors give good estimates for the deviations of the de la Vallée-Poussin sums from a periodic continuous function \(f\) of two variables by means of best approximations \(E_{n,m}(f)\).
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de la Vallée-Poussin sums
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best approximations
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