• It is discussed that the numerical approximation of interface problems for elliptic partial differential equations.

    讨论了椭圆微分方程边界问题数值逼近

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  • A finite element numerical approximation scheme and an alternating direction finite element approximation scheme are established.

    建立了有限元和交替方向有限元的两种数值逼近格式

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  • By use of numerical approximation method, the paper USES the polynomial to approach segmentally the transient electric field from dipole dipole array.

    本文采用数值逼近方法逐段多项式表示极—偶极排列的变电

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  • 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.

    该文讨论模糊系统数字逼近特性同时分析了逼近误差初始状态误差模糊系统的影响

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  • 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,通过实测数据对多项式函数模型的精度进行分析

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  • 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,近似参数法所找到正则化参数对最优正则化参数的较合理近似。

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  • 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.

    所得数字结果表明波束区域获得同样计算精度,近轴近似法所需要的计算机时间小于射线追综的时间。

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  • A comparison is made between the experimental results and the numerical calculation to verify the usefulness of this analytical approximation.

    数值计算结果实验数据进行了比对验证解析结果的实用性

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  • 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所谓由“连续”组份构成的“复杂”物系。

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  • 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连续时间随机逼近(CSA)辨识数值实现仿真

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  • The numerical example of exponential distribution implies that the approximation effect is good.

    从指数分布数值例子看,较好的近似效果

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  • This paper is devoted to the numerical analysis of a stabilized finite element approximation for a liquid crystal flow under appropriate regularity hypothesis.

    主要研究了在适当正则性假设条件液晶稳定有限元逼近数值分析

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  • 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函数不是改善结果办法应该更多函数引入双互易边界元中。

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  • Numerical computations show that paraxial approximation gives almost the same accuracy in the paraxial region as complex ray method but spends much...

    所得数字结果表明波束的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射线追综的时间。

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  • 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一种高效收敛近似方法。

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  • The basic idea of WENO is to obtain a higher approximation by a linear combination of low order numerical fluxes.

    WENO格式主要思想通过数值流通量的凸组合重构得到阶的逼近,并且在间断附近具有本质无振荡的性质。

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  • 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低频数值方法相结合混合方法计算二维开槽电大目标的散射。

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  • Numerical examples give evidence that these conditions can effectively control form of surface in smooth approximation for implicit algebraic surfaces.

    数值说明这些保凸条件隐式曲面光滑逼近中能有效地控制曲面

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  • 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,可以增加计算时间贮量情况下显著提高应力逼近精度

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  • The predictive intelligent control scheme is proposed, which is based on approximation theory and numerical method of Chcbyshev orthogonal polynomial.

    本文基于切比雪正交多项式数值逼近方法提出预测智能控制算法。

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  • 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描述一章。

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  • 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.

    模型试验实测沉降与用分层总和数值分析法计算结果接近

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  • Many numerical tests show that the fast approximation algorithm has very good performance.

    大量数值试验表明近似算法性能良好

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  • Theoretical approach of two-phase flow instability can be divided into two categories: numerical analysis and approximation analysis.

    不稳定性理论分析方法可以分为大类:一类是数值解析法,另一类是近似分析法。

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  • A mean-field-like approximation is discussed and its predictions are compared with the exact numerical results for the model.

    同时对类平均近似方法进行了讨论预言非平衡相变模型精确数值结果进行了比较

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  • A meshless method using the moving least squares approximation is improved and applied to the numerical computation of electromagnetic fields.

    本文将网格算法推广应用于电磁场的数值计算。

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  • A meshless method using the moving least squares approximation is improved and applied to the numerical computation of electromagnetic fields.

    本文将网格算法推广应用于电磁场的数值计算。

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