Cubature formulas of Hermite type in the space of periodic functions of two variables

2021 ◽  
Author(s):  
Farhod Nuraliev
Keyword(s):  
Periodic Functions ◽  
Cubature Formulas ◽  
Functions Of Two Variables

scholarly journals On approximation, in the strong sense, of functions of two variables by trigonometric polynomials

2021 ◽  
pp. 20
Author(s):  
V.V. Lipovik ◽  
N.P. Khoroshko
Keyword(s):  
Strong Sense ◽  
Trigonometric Polynomials ◽  
Asymptotic Estimates ◽  
Periodic Functions ◽  
Functions Of Two Variables

In the paper, we have found order asymptotic estimates of approximations, in the strong sense, relative to given matrix of classes of continuous periodic functions of two variables by some trigonometric polynomials.

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