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1)  Baskakov-Beta operators
Baskakov-Beta算子
1.
The Voronovskaja type expansion fomula of the modified Baskakov-Beta operators;
修正的Baskakov-Beta算子的Voronovskaja型渐近展开公式
2.
By using the probability theory,the pointwise approximations for bounded variation functions of the modified Baskakov-Beta operators are studied.
运用概率论的方法和结论,研究修正的Baskakov-Beta算子对有界变差函数的点态逼近。
2)  baskakov operators
Baskakov算子
1.
Using the moduli of smoothness w (?)λ 2 (f, t)w, direct and inverse approximation theorems with Jacobi weight of Baskakov operators is established; And the relation between derivatives of the operators and the smoothness of functions to be approximated is obtained.
本文利用加权光滑模ω_~2λ(f,t)ω给出了Baskakov算子加Jacobi权逼近的正逆定理;另外,研究了加权下Baskakov算子导数与所逼近函数光滑性之间的关系。
2.
In this paper we give the equivalence theorem on simultaneous approximation for combinations of Baskakov operators.
本文建立了Baskakov算子线性组合同时逼近的等价定
3.
By means of DitzianTotik moduli of rorder, the local and global characterization theorems for the derivatives of the Baskakov operators are investigated.
研究Baskakov算子导数的点态和整体定理,用Ditzian Totik光滑模刻画该算子导数的点态和整体定理。
3)  Baskakov-Durrmeyer operator
Baskakov-Durrmeyer算子
1.
Simultaneous approximation by Baskakov-Durrmeyer operator;
Baskakov-Durrmeyer算子同时逼近
2.
In this paper, by using the method of Bojanic,we gave an estimate on the rate of convergence of the Baskakov-Durrmeyer operator for the function of bounded variation on [0,∞) and proved that the estimate is essentially the best possible.
利用Bojanic方法来估计Baskakov-Durrmeyer算子对在[0,∞)有界变差函数的收敛速度,并且收敛速率是不可改进的。
4)  Baskakov operator
Baskakov算子
1.
Simultaneous approximation by Baskakov operators;
Baskakov算子的同时逼近
2.
Pointwise direct and converse estimates for Baskakov operators;
Baskakov算子的点态正逆估计
3.
Two kinds of preserved porperty by modified Baskakov operator;
修正的广义Baskakov算子的两种保持性质
5)  Baskakov type operators
Baskakov型算子
1.
Using some results and methods of probability theory and Abel transformation,the paper has studied the approximation of a Baskakov type operators whose limits are Gamma operator for functions of bounded variation of order p,and the pointwise convergence theorem of these operstors are obtained.
运用概率论的一些方法和结论以及Abel变换,研究了一类极限为Gamma算子的Baskakov型算子对p次有界变差函数的逼近,得到了对该函数类的点态逼近度估计的逼近定理。
6)  Baskakov-Kantorovich operators
Baskakov-Kantorovich算子
1.
Pointwise Approximation Properties for the Derivatives of Baskakov-Kantorovich Operators;
Baskakov-Kantorovich算子导数的点态逼近性质
2.
The relation between higher order derivatives of Baskakov-Kantorovich operators and the smoothness of the functions to be approximated is studied.
研究了Baskakov-Kantorovich算子高阶导数与所逼近函数光滑性之间的关系,通过该算子的导数引入新算子Kn,s(f,x),给出了这个新算子的线性组合的点态逼近定理。
补充资料:2-Nitrophenyl-beta-D-galactopyranoside;beta-d-galactopyranoside, 2-nitrophenyl;2-nitrophenyl-beta-d-galactopyranoside<
CAS: 369-07-3
分子式: C12H15NO8
分子质量:301.25
熔点:195℃

中文名称: 2-硝基苯基-β-D-呋喃半乳糖苷

英文名称: 2-Nitrophenyl-beta-D-galactopyranoside;beta-d-galactopyranoside, 2-nitrophenyl;2-nitrophenyl-beta-d-galactopyranoside
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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