Turkish Journal of Mathematics
DOI
10.3906/mat-2002-76
Abstract
Let $f$ be a continuous function which is periodic with respect to the hexagon lattice, and let $A$ be a lower triangular infinite matrix of nonnegative real numbers with nonincreasing rows. The degree of approximation of the function $f$ by matrix means $T_{n}^{\left( A\right) }\left( f\right) $ of its hexagonal Fourier series is estimated in terms of the modulus of continuity of $f.$
First Page
970
Last Page
985
Recommended Citation
GÜVEN, ALİ
(2020)
"Degree of approximation by means of hexagonal Fourier series,"
Turkish Journal of Mathematics: Vol. 44:
No.
3, Article 25.
https://doi.org/10.3906/mat-2002-76
Available at:
https://journals.tubitak.gov.tr/math/vol44/iss3/25
