摘要
本文利用ω_φ^(2r)λ(f,t)代替中ω_φ~rλ(f,t)给出了Szász-Kantorovich算子线性组合同时逼近的估计。
In this paper,we consider the linear combinations of Szdsz-Kantorovich operators and give the characterization in terms of the modulus of smoothness ωλ2r (f,t) instead of ωλr (f, t) by means of the pointwise simultaneous approximation.
基金
河北省自然科学基金(101090)
河北师范大学博士基金(103256)
关键词
SZASZ型算子
线性组合
同时逼近
光滑模
Szasz-Type operator
linear combination
simultaneous approximation
modulus of smoothness.
