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Approximation of certain bivariate functions by almost Euler means of double Fourier series
In this paper, we study the degree of approximation of 2π-periodic functions of two variables, defined on [Formula: see text] and belonging to certain Lipschitz classes, by means of almost Euler summability of their Fourier series. The degree of approximation obtained in this way depends on the modu...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Springer International Publishing
2018
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5902535/ https://www.ncbi.nlm.nih.gov/pubmed/29706744 http://dx.doi.org/10.1186/s13660-018-1676-0 |