TY - JOUR AU - S. G. Solodky AU - S. A. Stasyuk PY - 2022/02/21 Y2 - 2024/03/28 TI - On optimization of numerical differentiation methods for bivariate functions JF - Ukrains’kyi Matematychnyi Zhurnal JA - Ukr. Mat. Zhurn. VL - 74 IS - 2 SE - Research articles DO - 10.37863/umzh.v74i2.6906 UR - https://umj.imath.kiev.ua/index.php/umj/article/view/6906 AB - UDC 519.653For the problem of numerical differentiation for bivariate functions with finite smoothness, the exact orders of the minimum radius of Galerkin information are found, and also a variant of the truncation method is constructed, which is optimal in the sense of the indicated quantity. ER -