Weierstrass quasi-interpolants

• Autores: Paul Sablonnière
• Localización: Journal of approximation theory, ISSN 0021-9045, Vol. 180, Nº 1, 2014, págs. 32-48
• Idioma: inglés
• DOI: 10.1016/j.jat.2013.12.003
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• Resumen

  • In this paper, the expression of Weierstrass operators as differential operators on polynomials is used for the construction of associated quasi-interpolants. Then the convergence properties of these operators are studied.