exponential integral
英 [ˌekspəˈnenʃl ˈɪntɪɡrəl]
美 [ˌekspəˈnenʃl ˈɪntɪɡrəl]
网络 指数积分; 幂积分
双语例句
- A Global Saturation Theorem for the Mixed Exponential Type Integral Operators
一类混合指数型积分算子的整体饱和定理 - Spatial discretization of the quasi-linear Burgers equation leads to a system of ordinarily differential equations, which can be solved by the exponential integral method. Numerical results show that the exponential integral method has explicit stability, and has the same accuracy as the corresponding Runge-Kutta method.
拟线性Burgers方程在空间离散后转化成常微分方程，再用指数积分方法求解.数值结果表明指数积分法有显式稳定性，有相应Runge-Kutta方法相同的精度。 - The L_p-Saturation of the Mixed Exponential Type Integral Operators
混合指数型积分算子的Lp饱和性 - The analytical expressions are derived for the integrals containing exponential and exponential integral which appear frequently in electromagnetic field problems.
本文对电磁场问题的理论计算中常遇到的含有指数函数和指数积分函数的积分，得出了解析表达式。 - In this paper, a class of mixed exponential type integral operators are considered and the equivalent theorems of the characterization of approximation rate are given.
主要讨论了一类混合指数型算子的一致逼近问题，并给出了逼近阶的估计和特征刻划。 - We study the properties of the mixed exponential type integral operators in Lp-space and established their Lp-saturation theorems.
本文讨论了混合指合数型积分算子在Lp空间的性质，建立了该类算子的Lp饱和定理。 - Elementary approach for proving the expansion of exponential integral function
指数积分函数展开式的初等证明方法 - Based upon the exponential trait of the grey model and the definition of integral, a construction method of the GM ( 1, m) model's background value of multivariable non-equidistance sequence is put forward.
基于灰色模型的指数特性和积分定义，提出了构造多变量非等间距序列的GM（1，m）模型背景值的方法。 - In this paper, we discuss the estimate of regression function in nonparametric regression model based on exponential integral martingale difference. Parameterization and Finite Element Analysis for Side Frame and Its Accessories of Crawler Crane
本文研究了误差项是鞅差序列，且满足某种指数矩条件的非参数回归函数的估计。履带起重机履带架及附属件结构参数化设计与有限元分析 - This paper gives a kind of modified discrete interpolating integrable op-erators of exponential type, studies its properties of approximation and gives the rate of convergence with the help of Cauchy principle value of integral.
本文给出一类离散指数型线性积分修正插值算子，而且借助Cauchy主值积分给出了其在Lp（-∞，∞）中的收敛速度。