On a Limit Value of a Remainder of the Lagrange Constant Corresponding to the Lagrange Trigonometrical Polynomial

DOI10.18500/1816-9791-2016-16-3-302-310zbMath1355.41024OpenAlexW2547181562MaRDI QIDQ2960336

I. A. Shakirov

Publication date: 8 February 2017

Published in: Izvestiya of Saratov University. New Series. Series: Mathematics. Mechanics. Informatics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.18500/1816-9791-2016-16-3-302-310

zbMATH Keywords

approximationquadrature formulaLagrange polynomialLebesgue constantextremum problem

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Approximation by polynomials (41A10) Remainders in approximation formulas (41A80)

Related Items (1)

Approximation of the Lebesgue constant of a Lagrange polynomial by a logarithmic function with shifted argument

Cites Work

• Influence of the choice of Lagrange interpolation nodes on the exact and approximate values of the Lebesgue constants
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