numerical approximation
英 [njuːˈmerɪkl əˌprɒksɪˈmeɪʃn]
美 [nuːˈmerɪkl əˌprɑːksɪˈmeɪʃn]
近似数值；数值近似
双语例句
- A Numerical Approximation of Waiting Time Distribution in Queueing System
排队系统中等待时间分布的一种数值近似方法 - In this paper, it was discussed how to calculate the solubility of the weak acidic slightly soluble compounds in the acid solution or pare water with numerical approximation method.
讨论了用数值逼近法计算弱酸微溶化合物在酸溶液和纯水中的溶解度。 - Numerical Approximation for One Type of Stochastic Differential Equations Based on the Legendre Polynomials
一类随机微分方程的Legendre多项式谱逼近分析 - For some semi-linear reaction-convection-diffusion models, the characteristic finite element schemes are constructed. By making the numerical approximation and the error analysis, optimal order estimates in L2-norm is derived for the approximation solution.
采用特征有限元方法对半线性反应对流扩散模型进行了分析，并得到了最优L2模误差估计。 - Except for method of spline interpolation, MRA method are used to resolve numerical approximation problems, too.
除了应用样条函数插值方法外，解决数值逼近问题还可以采用小波分析中多尺度分析的方法。 - Multi-resolution analysis in the space H1 [ 0,1] was applied for the first time to numerical approximation. Results from simulation and error analysis indicates that multi-resolution analysis is feasible, which provides a new way for numerical approximation problems in reproducing kernel space.
应用H1[0,1]空间多尺度分析方法解决数值逼近问题，仿真及误差分析结果表明了这一方法对函数逼近的可行性，从而为再生核空间数值逼近提供了一种新的思路。 - A characteristics-mixed finite element method for some semi-linear reaction-convection-diffusion models is presented. By making the numerical approximation and the error analysis, optimal order estimates in L2_r-norm of the solution of this scheme are derived.
对一类半线性反应对流扩散模型进行分析，提出了解该问题的特征混合有限元方法，并通过数值逼近和误差分析，得到了该特征混合有限元格式解的最优阶L2模误差估计。 - 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。 - Hopf bifurcation in numerical approximation for a physiological model with delay
一个生理模型的Hopf分支的数值逼近 - To ensure the reliability of the inverse-analysis of the material parameters of embankment dams, by using a genetic algorithm, a numerical approximation method is adopted to analyze the causes for the distortion of the inverse result.
为了确保基于遗传算法的土石坝土体参数反演结果的可靠性，应用数值逼近方法，分析了反演结果失真的原因，讨论了保证土体参数反演结果全局收敛的条件。 - Several Numerical Approximation Problems in Some Reproducing Kernel Spaces
某些再生核空间中数值逼近的若干问题 - A approach to solve the end effect of local-wave decomposition based on Chebyshev numerical approximation is proposed.
提出了基于Chebysbcv数值逼近的数据序列延拓算法，解决了局域波分解过程中的边界问题。 - The Inference of probabilistic model of geotechnical parameters based on optimal numerical approximation method
基于最佳数值逼近法的岩土参数概率模型推断 - A predicting algorithm based on Chebyshev numerical approximation to predict time series is puts forward.
提出了基于Chebyshev数值逼近的时间序列直接多步预测算法。 - In order to improve the reliability of inverse result, the numerical approximation method is adopted to analysis reasons for the distortion of inverse result. And local model and global model for parameter inversion are defined.
为了提高反演结果的可信度，分析了参数反演结果失真的原因，并定义了参数反演的局部模型和全局模型，讨论了提高反演结果可信度的方法。 - 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。 - On solving algorithm for the numerical approximation of partial differential equations
关于对偏微分方程数值逼近的求解算法 - Analysis of Stability and Convergence of Numerical Approximation for the Riesz Fractional Reaction-dispersion Equation
Riesz分数阶反应-扩散方程数值近似的稳定性与收敛性分析 - Therefore, it is the typical way that uses numerical approximation to solve unsaturated equation.
因此，典型的作法是用数值逼近求解非饱和流方程。 - With the analysis and study of general numerical approximation methods, according to the characteristic of the marine magnetic survey, moving curved surface method, Hardy polyhedral function method, Shepard method and kriging method are emulated and analyzed in case of different interpolation accuracy.
通过对常用的数值逼近方法的分析和研究，针对海洋磁力测量的特点，仿真计算分析了移动曲面法、Hardy多面函数法、Shepard法和Kriging法在不同情况下的插值精度。 - Approximation theory consists of the function approximation and the numerical approximation.
逼近论包括函数逼近和数值逼近。 - Wavelet analysis is a new promising mathematical branch. It is in the theory and application related to the harmonic analysis, functional analysis, numerical approximation, numerical solution of differential equations and integral equations and many other areas of mathematics.
小波分析作为一门新兴的数学分支，它在理论及应用上涉及到了调和分析、泛函分析、数值逼近、微分方程及积分方程数值求解等诸多数学领域。 - Firstly, we give out the numerical approximation of time fractional Riemann-Liouville derivative.
首先我们给出时间分数阶Riemann-Liouville导数的数值近似。 - Secondly, we do a lot researches and analysis on the vehicle driving trace according to the principles of Traffic Engineering and the numerical approximation theory, and then build the models of the abnormal vehicle driving trace.
其次，根据交通工程基本原理和数值逼近理论，对车辆行驶轨迹进行理论分析和研究，建立车辆异常行驶轨迹模型。 - Polynomial interpolation is the simplest interpolation, which is the basis of whole numerical approximation. It can be widely used in dealing with finding roots of equations, function approximation, numerical differentiation, numerical integration and numerical solution of differential equations and so on.
多项式插值最简单，是整个数值逼近的基础，可被广泛用于处理方程求根、函数逼近、数值微分、数值积分和微分方程数值解等问题。 - Interpolation is the most basic method of numerical approximation.
插值法是数值逼近中最基本的方法。 - Spline is an excellent tool for numerical approximation, which is a perfect result of the combination of approximation theory and computer theory.
样条函数是一种很好的数值逼近工具，它是逼近理论和计算机结合的优秀产物。 - One key feature of these models is that analytical solutions cannot be obtained and only numerical approximation solution can be obtained.
这些模型的一个显著特点是无法得到解析解，只能得到数值近似解。 - Fuzzy TS system is a linear form, from the aspect of the numerical approximation, the system is the weight summation of several piecewise linear models, in other words, it approximates the original model with linear models in the local area.
TS模糊系统是线性形式，从数值逼近的角度出发，该系统是若干个分片线性模型的加权求和，即在局部区域用线性模型近似原模型。 - Then, in the case of non-periodic boundary conditions, we give different methods to get the numerical approximation.
对非周期边界条件的情况，给出用不同方法计算的数值解。