Numerical differential method and energy balance approach are applied respectively to recover the geopotential coefficients until 50 degree based on the simulated observation datum of CHAMP.
基于模拟的CHAMP卫星观测数据，分别用数值微分法和能量守恒法恢复50阶次的重力位系数。
Three methods for gravity field recovery are mainly studied from the views of observation equation, (1) numerical differential method, (2) energy balance approach, (3) numerical integration method.
从建立观测方程的角度来说，主要研究了三种恢复地球重力场的方法：(1)数值微分法，(2)能量守恒法，(3)数值积分法。
Based on the differential scheme, a numerical method of pricing compound options is presented.
提供一种基于有限差分格式的数值方法为复合期权定价。
Based on the differential scheme, presents a numerical method of pricing for American put options.
提供一种基于有限差分格式的数值方法为美式看跌期权定价。
In this paper a new method of modeling forecasting is given for the time series by using the numerical solution of differential equation.
本文利用微分方程的数值解法对时间序列建模预测作了新的尝试。
Numerical experiments show that RTFHM is efficient for solving linear and nonlinear non-stiff delay differential equations.
数值试验结果表明，RTFHM对线性和非线性的非刚性延迟微分方程都是有效的。
This kind of systems frequently arises in practical applications mainly related to solving differential equations by discrete numerical methods.
这类方程组常在主要与用离散数值方法解微分方程有关的实际应用中提出来。
In this paper, the numerical solution of differential equation is employed to establish the forecasting model of the time series.
本文利用微分方程的数值解法对时间序列建模预测作了新的尝试。
Spectral method is one of important numerical method for solving differential equations.
谱方法是微分方程数值求解的重要方法之一。
Based on gear method, this paper presents the numerical calculation method for solving dynamics differential equations of gear systems.
本文基于Gear方法对齿轮系统非线性动力学微分方程进行了数值计算分析。
A high accuracy algorithm for numerical solution of nonlinear partial differential equation (PDE) is suggested combining wavelet collocation method with generalized energy integral.
将小波配置法与广义能量积分相结合，提出了一种求解非线性偏微分方程的高精度数值方法。
However it is well-known that the complexity of differential equations in Taylor's theory compelled us to use the troublesome numerical solution.
但是，泰勒理论由于微分方程的复杂性，求解过程都是数值计算，这样对使用其结果时深感不便。
According to the diffusibility of the photons transmission, numerical solution of photon transmission partial differential equation was deduced with finite element.
依据光子传输的扩散性，用有限元法导出光子传输扩散偏微分方程的数值解。
This paper presents a numerical simulation algorithm based on numerically solving differential equation system by means of the Transmission Line Modeling (TLM) for lumped inductor.
应用集总电感元件的传输线建模方法(TLM)构造了一种基于数值求解微分方程的数字仿真算法。
This graduate-level course is an advanced introduction to applications and theory of numerical methods for solution of differential equations.
这门研究生程度课程是对微分方程数值解法的应用和理论的高级导论。
In this pager hybrid methods of functional differential equations are investigated. Some convergence theorems are given and numerical example are presented.
术文研究泛函数微分方程数值解的混合算法，给出了收敛性定理及数值例子。
On this heat transfer model the differential equations were based, and the finite difference complete concealed grids were used in the numerical analysis computation.
根据喉部沉积的传热模型建立了偏微分方程组，采用有限差分完全隐式格式进行数值分析计算。
So, researching numerical computing by Evolution Strategy, Differential Evolution Algorithm and Functional Networks have higher theory value and practical significance.
因此用进化策略、差分演化算法、泛函网络来研究数值计算，有较高的理论价值和实际意义。
There are two methods according to equation form in electromagnetic scattering numerical analysis: one is integral equation method, the other is differential equation method.
电磁散射数值分析方法根据方程形式可分为两种：一种是积分方程法，另一种是微分方程法。
The periodic wave solutions of the generalized CH equation are investigated by using bifurcation theory of differential equations and numerical simulations.
用微分方程分支理论和计算机数值模拟方法研究广义CH方程的周期波解。
Locally implicit finite element method is a satisfactory numerical method to solve non-linear partial differential equations for its unconditional stability and its high rate of convergence.
认为局部隐式有限元法是一种绝对稳定的方法，且具有快速收敛的性质，是求解非线性偏微分方程的一种有效的数值算法。
This paper studies the numerical problem of the saddle point strategy for linear quadratic differential game in generalized state systems.
研究广义状态系统中线性二次型微分对策鞍点策略的数值求解问题。
A three-dimensional numerical model for laser surface transformation hardening of metals using the finite differential technique is given in this peper.
给出了用有限差分法对金属材料激光相变硬化过程建立的三维数值模型。
The ultimate bond strengths of NSM CFRP strips to concrete have been obtained based on a numerical solution of bond differential equation.
利用数值法，解cfr P板嵌贴自由端开始滑移时的粘结微分方程，求得混凝土表层嵌贴CF R P板极限粘结承载力。
In this paper a new method of modeling forecasting is given for the time series by using the numerical solution of differential equation. A practical example is also given.
本文利用微分方程的数值解法对时间序列建模预测作了新的尝试。文中用实例给以说明。
This paper deals with the stability analysis of numerical methods for the solution of delay differential equations.
本文给出了延迟微分方程数值解的稳定性分析。
Training neural networks by using the linear multi-step method is studied, which is a classical numerical method for differential dynamics.
研究用微分方程数值解法——线性多步法替代神经网络的学习算法。
The most important content of Science and engineering calculations is to solve a wide variety of differential equations or the numerical solution of equations.
科学与工程计算中的一个最重要的内容就是求解各种各样的微分方程或方程组的数值解。
Study in 23 diseases of pigeon by applying the theory and method of numerical diagnosis was carried out and 18 differential diagnostic CARDS were established.
应用数值诊断理论和方法对23种鸽病进行研究，建立了18张鉴别诊断卡。
Numerical method of integral order ordinary differential equation, for example, Euler method, linear multiple step method, and so on, has had quite perfect theories.
对于整数阶常微分方程的数值解法，如欧拉法、线性多步法等都已有较完善的理论。
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