Geodesic
On norms and certain characteristics of trigonometric approximation by Baskakov operators
Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ, no. 9 (2012), pp. 41-51

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The article covers actual question in the theory of approximations. It researches approximative opportunities of concrete approximating structures. In the article one of the actively studied in recent times types of approximating operators – Baskakov's trigonometric operators. Some characteristics of these operators are being investigated: norms and approximation constants, assessment and improved. In particular, the assessment of their difference is obtained.
Keywords: Baskakov's trigonometric operators, approximate estimates. 
@article{VSGU_2012_9_a4,
     author = {O. S. Lyamina},
     title = {On norms and certain characteristics of trigonometric approximation by {Baskakov} operators},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {41--51},
     publisher = {mathdoc},
     number = {9},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2012_9_a4/}
}
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O. S. Lyamina. On norms and certain characteristics of trigonometric approximation by Baskakov operators. Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ, no. 9 (2012), pp. 41-51. http://geodesic.mathdoc.fr/item/VSGU_2012_9_a4/