Exact estimates of approximation of periodic functions by linear polynomial methods of convolution type

1983 ◽  
Vol 33 (2) ◽  
pp. 115-119
Author(s):  
V. V. Shalaev
Keyword(s):  
Convolution Type ◽  
Periodic Functions ◽  
Linear Polynomial ◽  
Approximation Of Periodic Functions ◽  
Polynomial Methods

scholarly journals On multidimensional Jackson's theorem

2021 ◽  
pp. 30
Author(s):  
S.A. Pichugov
Keyword(s):  
Modulus Of Continuity ◽  
Periodic Functions ◽  
Linear Polynomial ◽  
Multiple Variables ◽  
Polynomial Methods ◽  
Methods Of Approximation

We have found the best linear polynomial methods of approximation of continuous periodic functions of multiple variables in uniform metric with concave modulus of continuity.

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