查询词典 numerical

This paper studied a filtering high order numerical method for one dimension constant coefficient hy2 perbolic function. The stability and error analysis show the efficiency of this method. Numerical examples are also given to verify the analysis results.

摘 要 考虑一维常系数双曲型方程的高阶数值解法，引进了一种稳定性过滤算子FN ，最后从理论和数值实验上分析了该过滤算子对数值解稳定性和精度的影响。

The numerical results of a typical example are in good agreement with other numerical simulation and experimental data.

典型算例的计算结果与试组数据及其他数值结果吻合很好。

The agreement between the calculated numerical results and experimental data or other numerical results available in literature is good.

计算结果与一些实验数据及文献中的结果符合较好。

The numerical results compared with the available experimental data and the numerical solution are encouraging.

计算结果与现有的实验及数值结果吻合较好。

This paper presents a study on modeling the stability of dump slope using the techniques of limit equilibrium, numerical simulation, and numerical differentiation.

针对废渣场的废渣材料软硬比例发生了不利于堆放边坡稳定的特殊情况，应用极限平衡法、数值模拟及数值微分对渣场稳定进行分析计算。

Using the numerical differentiation, the differential equations can be transformed into algebraic equations. Then we can get the numerical solution from the algebraic equations.

但是数值微分对误差非常敏感，因此我们想到用对误差不敏感的数值积分代替数值微分。

But the numerical differentiation process is very sensitive to even a small level of errors. In contrast it is expected that on average the numerical integration process is much less sensitive to errors.

在DQ方法的基础上，本文提出了一种新的方法——基于最高阶导函数插值的微分求积(differential quadrature method based on the highest derivative，简称DQIHD)方法。

And the concept of numerical equality is the general form of all particular cases of numerical equality.

数的概念是变数，数相等的概念就是一切特定的数相等情形的一般形式。

The numerical method for the equation is studied and numerical simulation on a practical rotor-bearing system is carried out.

并针对具体的转子－轴承系统模型进行了数值仿真。

Due to its wide application in science technology, solving nonlinear multiple variants equation by numerical methods is one of the basic problems in numerical algebra.

由于在科学技术中的广泛应用，多元非线性方程组的数值求解一直是数值代数的基本问题之一。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。