Izvestiya of Saratov University.

Mathematics. Mechanics. Informatics

ISSN 1816-9791 (Print)

ISSN 2541-9005 (Online)

function approximation

Special Wavelets Based on Chebyshev Polynomials of the Second Kind and their Approximative Properties

Approximation Properties of Dicrete Fourier Sums for Some Piecewise Linear Functions

Approximation of Continuous 2π-Periodic Piecewise Smooth Functions by Discrete Fourier Sums

The Principle of Localization at the Class of Functions Integrable in the Riemann for the Processes of Lagrange – Sturm – Liouville