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// Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
// Archive
Izv. Saratov Univ. Math. Mech. Inform.,
2010
Volume 10,
Issue 1,
Pages
9–14
(Mi isu2)
Mathematics
The problem of convergence in point trigonometric interpolation process of Lagrange
L. V. Borisova
,
A. V. Shatalina
Saratov State University, Chair of Theory of Functions and Approximations
Abstract:
An analogue of the characteristic of R. Salem is obtained for a trigonometric Lagrange interpolation process on the matrix of equally spaced nodes.
Key words:
interpolation process, equidistant nodes, convergence at point.
UDC:
517.51
DOI:
10.18500/1816-9791-2010-10-1-9-14
Fulltext:
PDF file (167 kB)
References
©
Steklov Math. Inst. of RAS
, 2024
Fulltext:
PDF file (167 kB)