Two-Sided Estimates of Some Coordinate Splines

Autor: D. M. Lebedinskiĭ, N. A. Lebedinskaya, Yu. K. Dem’yanovich
Rok vydání: 2016
Předmět:
Zdroj: Journal of Mathematical Sciences. 216:770-782
ISSN: 1573-8795
1072-3374
DOI: 10.1007/s10958-016-2941-8
Popis: Two-sided estimates for the continuously differentiable coordinate splines of the second order are established, and sufficient conditions of their nonnegativity are provided. The results obtained are applied to trigonometric splines.
Databáze: OpenAIRE