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.NA2024
An optimal method for high order mixed derivatives of bivariate functions
Y. V. Semenova, S. G. Solodky
The problem of optimal recovering high-order mixed derivatives of bivariate functions with finite smoothness is studied. Based on the truncation method, an algorithm for numerical…