查询词典 numerical algorithm

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。

The results show that proper use of numerical calculation procedure can reduce numerical error dramatically.

结果显示，采用适当的值计算方法，仅可以低计算，能够大幅低误差，根据实际计算的结果，可低444倍。

Numerical result shows that the reconstructed scheme can simulate the flow structures better in wider range of wave numbers with lower numerical dissipation error.

数值结果表明，该格式扩大了原格式模拟的波数范围，且具有更低的数值耗散误差。

Through examples of learning to use numerical integration and numerical differential solve practical problems.

通过实例学习用数值积分和数值微分解决实际问题。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。