It is discussed that the numerical approximation of interface problems for elliptic partial differential equations.
讨论了椭圆型偏微分方程内边界问题的数值逼近。
A finite element numerical approximation scheme and an alternating direction finite element approximation scheme are established.
建立了其有限元和交替方向有限元的两种数值逼近格式。
By use of numerical approximation method, the paper USES the polynomial to approach segmentally the transient electric field from dipole dipole array.
本文采用数值逼近的方法,逐段用多项式表示偶极—偶极排列的瞬变电场。
In this paper, the numerical approximation characteristics of fuzzy system are discussed, and the influence of approximation error and initial state error on fuzzy system are analyzed.
该文讨论了模糊系统的数字逼近特性,同时分析了逼近误差和初始状态误差对模糊系统的影响。
The paper emphasizes on the methods of polynomial surface approximation which is part of numerical approximations, and analyzes the precision of polynomial function model through the measured data.
着重介绍了数值逼近方法中的多项式曲面函数模型逼近法,并通过实测数据对多项式函数模型的精度进行分析。
Numerical results show that 'near optimal' parameter can be considered as an acceptable approximation of optimal regularization parameter with available priori information.
数值结果表明,在先验知识满足的条件下,近似最优参数法所找到的正则化参数是对最优正则化参数的较合理近似。
Numerical computations show that paraxial approximation gives almost the same accuracy in the paraxial region as complex ray method but spends much less computer time.
所得数字结果表明,在波束的近轴区域内为获得同样的计算精度,近轴近似法所需要的计算机时间远小于复射线追综法的时间。
A comparison is made between the experimental results and the numerical calculation to verify the usefulness of this analytical approximation.
将数值计算的结果和实验数据进行了比对验证了解析结果的实用性。
The author introduced the spline approximation techniques to the numerical simulation of petroleum fractions, which are known as the so called "continua" mixtures of "infinite" number of components.
作者初步研究了将样条函数引用于逼近石油馏份,即所谓由“连续”组份构成的“复杂”物系。
The numerical realization and simulation of the continuous-time stochastic approximation (CSA) identification for stochastic continuous dynamical systems are studied.
本文讨论随机连续动态系统的连续时间随机逼近(CSA)辨识的数值实现及仿真。
The numerical example of exponential distribution implies that the approximation effect is good.
从指数分布的数值例子看,有较好的近似效果。
This paper is devoted to the numerical analysis of a stabilized finite element approximation for a liquid crystal flow under appropriate regularity hypothesis.
主要研究了在适当的正则性假设条件下液晶流的稳定有限元逼近的数值分析。
The numerical example shows that increasing the item of radial basis function is not a right way to improve the accuracy of results, and more approximation functions should be employed in the DRBEM.
计算结果表明增加径向基函数的项数并不是改善结果的好办法,应该将更多的函数引入双互易边界元法中。
Numerical computations show that paraxial approximation gives almost the same accuracy in the paraxial region as complex ray method but spends much...
所得数字结果表明,在波束的近轴区域内为获得同样的计算精度,近轴近似法所需要的计算机时间远小于复射线追综法的时间。
Some numerical examples are given to show that the numerical method presented is an approximation method with high efficiency and convergence.
数值计算表明本文数值方法是一种高效和收敛的近似方法。
The basic idea of WENO is to obtain a higher approximation by a linear combination of low order numerical fluxes.
WENO格式的主要思想是通过低阶的数值流通量的凸组合重构得到高阶的逼近,并且在间断附近具有本质无振荡的性质。
A hybrid technique for calculating the scattering of two-dimensional large bodies with slots is developed by combining high-frequency approximation method with low-frequency numerical method.
本文利用高频近似方法与低频数值方法相结合的混合方法计算二维开槽电大目标的散射。
Numerical examples give evidence that these conditions can effectively control form of surface in smooth approximation for implicit algebraic surfaces.
数值例说明这些保凸条件在隐式曲面光滑逼近中能有效地控制曲面。
When this result is applied to numerical computation the accuracy of the stress approximation can be greatly improved, and the time of computation and the memory requiment will not be increased.
利用应力佳点,可以在不增加计算时间与存贮量的情况下显著提高应力逼近精度。
The predictive intelligent control scheme is proposed, which is based on approximation theory and numerical method of Chcbyshev orthogonal polynomial.
本文基于切比雪夫正交多项式数值逼近方法,提出预测智能控制算法。
Several direct iterative numerical methods for optimal approximation are described in this chapter.
一些直接迭代数值方法最佳逼近中描述这一章。
The values of the settlement are approximation with calculated value of summating for each layer and calculated values on prototype of numerical analysis. Therefore, this method is very feasible.
模型试验实测沉降量与用分层总和法、数值分析法计算结果接近。
Many numerical tests show that the fast approximation algorithm has very good performance.
大量的数值试验表明该近似算法性能良好。
Theoretical approach of two-phase flow instability can be divided into two categories: numerical analysis and approximation analysis.
两相流不稳定性理论分析方法可以分为两大类:一类是数值解析法,另一类是近似分析法。
A mean-field-like approximation is discussed and its predictions are compared with the exact numerical results for the model.
同时对类平均场近似方法进行了讨论,并将其预言与非平衡相变模型的精确的数值结果进行了比较。
A meshless method using the moving least squares approximation is improved and applied to the numerical computation of electromagnetic fields.
本文将无网格算法推广应用于电磁场的数值计算。
A meshless method using the moving least squares approximation is improved and applied to the numerical computation of electromagnetic fields.
本文将无网格算法推广应用于电磁场的数值计算。
应用推荐