摘要
引入了新的加权光滑模ω2φλ(f,t)w,利用Jacobi权函数w(x)研究了Baskakov算子的逼近性质,给出了其加权同时逼近的点态结果,进一步统一和推广了前人的结果.
Using Jacobi weighted fumtion w(x),it is introduced that a new weighted moduli of smoothness ω~~2_(φ~λ)(f,t)_w to give a pointwise estimate of weighted simultaneous approximation by Baskakov operator.So the obtained results integrate and extend the previous further.
出处
《河北师范大学学报（自然科学版）》
CAS
2004年第4期333-338,共6页
Journal of Hebei Normal University：Natural Science
基金
河北省自然科学基金资助项目(101090)
