1) second-order approximation
二阶逼近
2) two-order Pade approximation
二阶Pade逼近
3) first(second) order approximation
一阶(二阶)逼近
4) degree of approximation
逼近阶
1.
In this paper we introduce S-B-B operators and study its Convergence and degree of approximation.
本文引入Ｓｉｋｋｅｍａ－Ｂｅｒｎｓｔｅｉｎ－Ｂéｚｉｅｒ算子，并研究其收敛性和逼近
2.
In this paper,a new type of Kantorovich operator was constructed,and the convergence and degree of approximation of this operator in Orlicz spaces were discussed.
构造了一类新型的Kantorovich算子,讨论了该算子在Orlicz空间内的收敛性与逼近阶的估计问题。
3.
A class of two dimension Meyer - Konig and Zeller Opcrators is constructed, and its degree of approximation and direct theorem on continuous function space and a class of interpolation space are obtained.
构造了一类二维Meyer－KonigandZeller算子，并得到了它关于连续函数空间和一类插补空间的逼近阶和直接定理。
5) order of approximation
逼近阶
1.
They had also estimated the order of approximation.
对于给定的函数ｆ∈Ｗ′Ｍ［－π，π］ｄ，Ｍｂａｓｋｅｒ和Ｍｉｃｈｅｌｉ已构造出具体的神经网络逼近Ｓｏｂｏｌｅｖ类函数及其导数并给出逼近阶的估计。
2.
The best order of approximation by (N, P) means of T-F series is discussed, and asufficient condition to reach this order is found.
讨论了算子（N，P）的最佳逼近阶以及达到此逼近阶的一个充分条件。
3.
The approximation of differentiable functions by a kind of interpolatory rational functions is discussed,and the corresponding order of approximation is obtained.
讨论了一类插值有理函数对可微函数的逼近，得到了相应的逼近阶。
6) approximation order
逼近阶
1.
Construction of interpolatory multiscaling functions with high approximation order;
具有高逼近阶的插值多尺度函数的构造
2.
Increasing approximation order of finite element multi-scaling functions by two-scale similarity transform;
利用两尺度相似变换提高有限元多尺度函数的逼近阶
3.
Optimal approximation order and optimal smoothnessof a multivariate dual scaling functions;
多元对偶尺度函数的最优逼近阶和最优光滑性
补充资料：逼近阶
逼近阶
approximation order
逼近阶!aPp印xim拓佣耐er;.酬山~.州阳皿，} 逼近误差的阶，它作为一个变量依赖于某个连续的或离散的变量:，而:又与另一变量甲(T)相关，甲闰的性态通常假定是已知的‘一般地，:是一个参量，它表示逼近集的数值特征(如集合的大小)或逼近方法的数值特征(如插值步骤).此外，:值所组成的集可能有一个有穷或无限的极限奴.函数价(动常常是一个幂函数，指数函数或对数函数.被逼近函数(或它的某个导数)的连续模(modulusof①ntinulty)或其控制函数可看作价介) 逼近方法的性质及被逼近对象的性质(例如，被逼近函数的差分微分性质)确定了逼近阶，见函数通近，正定理和逆定理(approximation of funCtions，direCtand inverse theoren一s). 在数值分析中，如果某个数值方法产生的误差为口(h勺，则称指数。为其逼近阶，其中h为此方法所采用的步长.
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参考词条