查询词典 numerical method

The main results of this research are as follows:(1) A parallel algorithm for solving dense matrix linear equations on distributed-memory multi-computer is presented. Convergent velocity of this algorithm is better than parallel Jacobi method"s, and parallelism is better than Gauss-Seidel method"s. According to theoretical analysis, convergent conditions are given. Moreover numerical experiments indicate that results agree with theory.

主要完成了如下研究工作：(1)提出了一种求解系数矩阵为稠密矩阵的线性方程组的适合于MIMD分布式存储的并行迭代算法，该算法设计上兼取了Jacobi算法并行性好的优点和Gauss-Seidel算法收敛速度快的长处，并且在理论上给出了该算法成立的收敛性条件，并通过数值计算验证了此算法结果与理论相符合。

Finite element limit analysis method has the advantage of combining numerical analysis method with traditional limit equilibrium methods.

有限元极限分析法兼有数值分析法与经典极限分析法两者的优点，特别适用于岩土工程的分析与设计。

For the numerical integration in time, the fraction step method is used. This method is useful because one can use the same linear interpolation functions for both velocity and pressure.

在时间域上采用分步格式计算，这种方法与混合插值方法比较其优点是速度和压力可使用同阶线性插值，给数值计算带来很大方便。

A new method was be used in this paper that log interpretation method and numerical simulation methodwas combined to research remaining oil distribution and obtained better effect.

在建立准确的油藏地质模型，搞清剩余油分布规律的基础上，编制合理剩余油挖潜方案，以进一步提高油藏开发效果。

Numerical results demonstrate that compared with the Arnoldi method, this method reduces the memory requirements.

文中的算例表明，与Arnoldi谱分解加速方法比较，所需的内存进一步减少。

We study a kind of efficient approximation method: maximum entropy method for multiobjective minimax problems from the point view of numerical computation.

本文从数值计算的角度对求解多目标minimax问题的一种有效的逼近方法：极大熵方法进行了研究。

A basic method of wave_number in three dimensions（MWN3D） is employed to solve the thermal conductive equation in this paper. Meantime, we take some numerical experiments to discuss the reliability and adaptability of this method.

给出了三维热导方程波数域的基本解和算法（MWN3D），并通过数值模型的方式验证、讨论了这一方法的可靠性和适应能力。

Numerical examples show that the method works effectively.关键词: Cauchy problem for Laplace equation, Ill-posed problem, Mollification method.

遗憾的是审稿人对该类问题的理论及数值分析方面的研究现状了解甚少，因而难以给出进一步的评价，但审稿人认为在理论上这是一个很好的结果。

It is proved that if the RungeKutta method and the linear multistep method are of order p, then the numerical Hopf bifurcation value is an approximation to the Hopf bifurcation value of the equation itself of the same order p.

证明了如果Runge-Kutta方法和线性多步法是p阶的，那么数值Hopf分支值以相同的阶数p逼近于方程本身的Hopf分支值。

Parallel to the nomographic method, the numeri- cal calculating method is also put forward here. As an example, the lead and aluminium rings are pressed with oil lubrication or with- out. The results of data processing by nomogram and the numerical calculating are compared.

在线图法处理实验数据的基础上，提出了理论计算法，并对铅、铝两种材料在有无润滑剂条件下进行了圆环压缩试验，比较了用线图法和理论计算法对实验数据的处理结果，指出了各种方法的优缺点。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。