About optimization of methods for mixed derivatives of bivariate functions

Y.V. SemenovaS.G. Solodky

Sep 2023

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摘要原文

The problem of optimal recovering high-order mixed derivatives of bivariate functions with finite smoothness is studied. On the basis of the truncation method, an algorithm for numerical differentiation is constructed, which is order-optimal both in the sense of accuracy and in terms of the amount of involved Galerkin information.

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