2 papers
math.NA2026
Numerical Differentiation of Functions of Two Variables Using Chebyshev Polynomials
Maksym Kyselov, Sergiy G. Solodky
We investigate the problem of numerical differentiation of bivariate functions from weighted Wiener classes using Chebyshev polynomial expansions. We develop and analyze a new vers…
math.NA2025
Error Analysis of Truncation Legendre Method for Solving Numerical Differentiation
Maksym Kyselov
We study the problem of numerical differentiation of functions from weighted Wiener classes. We construct and analyze a truncation Legendre method to recover arbitrary order deriva…