K-functional相关论文
In this paper,study of direct result for a summation-integral type modification of Szász-Mirakjan operators is carried ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
In this paper, the integral-type Stancu operators on a simplex is considered and its inverse theorem of approximation in......
In this paper, a strong converse inequality of type B in terms of a new KBy this inequality, the converse theorem can be......
In this paper we give a strong converse inequality of type B in terms of unified K-functional Kαλ(f,t2) (0 ≤ λ ≤ 1,......
本文的目的是引进和应用Orlicz空间中一种新的多元光滑模,该光滑模是一元情形的一种自然推广.利用函数分解方法和归纳讨论证明它与......
首先在无穷空间上构造了一类新的λ-Szász-Kantorovich算子,通过分析计算得到了该类算子矩的估计及Korovkin型逼近性质;其次,......
本文对Baskakov—Durrmeyer算子证明了其强逆逼近。关于这些不等式Ditzian,Ivanov等用不同的方法得到过,但其结果是λ=1的情况,古典结......
利用K-泛函研究了修正的Baskakov型算子的Stechin-Marchaud型不等式,由此不等式,我们得到了关于ω2φλ的逆结果.......
本文构造了一类Bemstein型算子序列,并研究了该算子序列的一些逼近性质。...
借助K-泛函,给出了二元Gauss-Weierstrass算子在L p(R 2+)空间中的逼近定理....
借助于Ditzian-Totik光滑模研究了Baskakov算子的同时逼近问题,给出了Baskakov算子同时逼近的正定理和等价定理.......
This paper is concerned with the convergence rates of ergodic limits and approximation for regularized resolvent familie......
该文利用修正的带权K-泛函Kφ^2(f,t^2)ω,p,考虑Gamma算子在Lp(1≤p≤∞)空间带权同时逼近,给出了它的B-型强逆不等式.......
定义了一种新的K-泛函:K(f,t)∞^n=infg∈C2[0,1]{‖f-g‖∞^n+t‖δ^2ng″‖∞^n+t‖g′‖∞^n},其中‖f‖∞^n=supx∈[0,1]|δn^-β(x)f(x......