数值算法

Compared with arithmetic means, it can obtain more exacter measuring result.

软件简介：文中给出了数据融合算法，并提出把数据融合方法应用于电器试验数据采集电压计算中，使计算结果能更完善、准确地反映电压的数值。

For the American put option and binary option which do not have analytical solution, we propose algorithms based on explicit scheme and implicit difference scheme and then

对不存在解析解的美式看跌期权和两值期权分别给出了显式、隐式差分算法，并对格式的相容性、稳定性、收敛性进行了分析。数值实验结果表明这种方法是有效而实用的。

They are:1 design and implementation of nonlinear least Square Algorithm,2 design of general formula expositor,3 design and implementation of software encryption scheme and4 making of help files system.

数值实验表明：设计的算法具有极高的计算精度，也有较好的全局收敛性与稳定性，明显优于SPSS等软件，不仅可以处理小残量问题，而且能够处理大残量或非线性程度较高的问题，对于线性回归，可以一步达到精确的结果，使线性问题和非线性问题很好地统一起来。

Wavelength requirements, fair factor and wavelength reusability of ring and real networks are systematically analyzed under uniform and non-uniform traffic patterns. Numerical results show that the heuristics can achieve a great performance of load balancing and wavelength resources are utilized efficiently.

我们以环形网络和实际网络为例，对均匀和非均匀业务模式下网络的波长需求、网络的均衡因子和波长重用度进行了系统的分析，数值结果表明本文的启发式算法能获得良好的负载均衡性能并有效地利用了网络的波长资源。

Interval slope method is proposed for a class of unconstrained min-max-min problems, in which the objective functions are factorable functions. An interval algorithm is given by interval slope discard tests and interval extension of objective functions. Numerical results are also presented.

讨论目标函数为因子函数的离散无约束min-max-min问题，利用区间斜率，构造目标函数的区间扩张和区问斜率删除原则，建立了求解离散无约束min-max-min问题的区间斜率算法，并给出了数值算例。

In §5, we research a new fast triangular factorization algorithm of Hankel matrix. Then we give a numerical example.

在§5中，推导了Hankel矩阵的新的快速三角分解算法，给出了数值算例。

Numerical results show that the fast reconstruction algorithm is effective for different types of signals.

数值实验的结果表明，这种快速重构算法对不同类型的信号同样有效。

A new scheme for approximating the solution of 2D Maxwell's equations-the high order symplectic scheme is proposed to overcome the shortcoming of the conventional finite difference time domain. The scheme is obtained by discretizing the Maxwell's equations in time domain based on symplectic scheme with high order, and then evaluating the equation in spatial domain with second or fourth order finite difference approximation.

为克服标准时域有限差分方法的缺陷，引入一种新的数值计算方法－高阶辛算法求解Maxwell方程，即在时间上用高阶辛差分格式离散，空间分别采用二阶及四阶精度的差分格式离散。

In this paper, based on the dynamic explicit finite algorithm, the multi point stretch-forming processes of sphere and saddle parts, with different thicknesses, different materials, different deformations and other technical parameters are simulated.

文章基于动力显式有限元算法，从板厚、材质、变形程度和塑性指数等工艺参数入手，对球形和鞍形件的多点拉形过程进行数值模拟。

The experimental data were trained by BP neural network, and the results were curve fitted to set up a fitting function which was used in the genetic algorithm process to reach the optimum.

首先利用BP神经网络来训练已有实验值，然后将训练后的神经网络作为知识源，通过曲线拟合与逼近求得设计变量与目标函数值的函数关系表达式，最后将这一函数表达式作为遗传算法的适应度函数进行遗传迭代寻找最优解。

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。