M. N. Dobrovol'skii, N. N. Dobrovol'skii, N. M. Dobrovol'skii, “On the accuracy of quadrature formulas with optimal parallelepipedal grids”, Chebyshevskii Sb., 2023, Volume 24, Issue 4,Pages <nobr>335

BRIEF MESSAGES

On the accuracy of quadrature formulas with optimal parallelepipedal grids

M. N. Dobrovol'skii^a, N. N. Dobrovol'skii^b, N. M. Dobrovol'skii^b

^a Geophysical centre of RAS (Moscow)
^b Tula State Lev Tolstoy Pedagogical University (Tula)

Abstract: The paper obtained a new estimate for the error of quadrature formulas with optimal parallelepipedal meshes modulo $N$.

Keywords: parallelepipedal grid, quadrature formulas, method of optimal coefficients.

UDC: 511.3+511.4

Received: 05.08.2023
Accepted: 02.11.2023

DOI: 10.22405/2226-8383-2023-24-4-335-340