Affiliation:
1. Institute of Mathematics , National Academy of Sciences of Ukraine , Kyiv , Ukraine
Abstract
Abstract
The problem of numerical differentiation for periodic bivariate functions with finite smoothness is studied.
To achieve stable approximations, we investigate some variants of the Fourier truncation method.
Estimates of the accuracy and volume of the used Fourier coefficients are found for the constructed methods.
We perform numerical experiments that confirm correctness of our theoretical conclusions.
Subject
Applied Mathematics,Computational Mathematics,Numerical Analysis
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