迭代法

Key words:the three dimensional contact problem with friction;nonlinearcomplementary;nonsmooth equations;generalized derivative;nonsmoothmethod;convergence analysis

给出了三维摩擦接触问题的一个非光滑混合不动点模型及算法，这种算法无须求导数，没有引进任何额外变量，并且可视为一种三维摩擦接触问题的迭代法，利用非光滑分析和不动点理论对算法做了分析，给出了算法的不动点理论背景及算法的理论分析，为模型解的存在性及算法收敛性提供分析依据，最后给出了相应的数值算例。

The computing of latitude is the key of geodetic coordinate transformation from geocentric coordinate which conventionally uses iterative methods.

大地纬度的解算是从地心直角坐标到大地坐标变换的关键，通常都用采用迭代法实现。

The method is also used in the solution of inverse problem of environmental hydraulics and a satisfactory result is achieved by using this method.

重点的讨论了不适定问题的正则化方法，在此基础上，构造了一个求解不适定问题的最佳摄动迭代法，并把它应用在环境水力学反问题的求解中，取得了满意的结果。

In the two-dimensional simulation, the fully implicit difference scheme is used for the continuity equations to ensure numerical stability; Jacobian iteration is used to solve the difference equations, and only nonzero elements in the coefficient matrixes of these equations are dealt with, which reduce the requirement for memory and shorten the calculation time.

在两维模拟计算中，对连续性方程采用全隐式差分方案以保证数值稳定性；运用雅可比迭代法求解差分方程组，并且在求解过程中，只对差分方程组系数矩阵中的非零元素进行处理，因此减少了对内存的需求量，而且缩短了计算时间。

This paper is a report of a light frequency equation of inflexion on Planck function we have deduced in light of Planck formula.

基于普朗克公式，利用微分方法导出了普朗克函数的拐点光频率方程，并通过牛顿迭代法求出了这个方程的两个根，进而找到了可求任意温度下两个拐点光频率的普遍公式，为研制热辐射测温仪工作波长的选择提供了技术参考。

The rational initial solution and speed model is commonly used in the iterative method of linear equation.

求解方程组常用的迭代法，需要一个比较合理的初始猜测解，也即是初始速度模型。

The optimum model was solved by maximum principle and in which the initial value problem was solved using Newton iteration procedure.

应用极大值原理求解该优化模型，其中的初值问题采用牛顿迭代法求解。

On the basis of FTA method, BDD analysis was used based on the method of iteration.

文中在FTA方法的基础上，采用基于迭代法的BDD分析。

An iteration method is used to find the parameters of nodes and lines.

并利用迭代法对各节点、线路的运行参数进行了求解。

I checked some information in the future than to find a more rapid Newton iteration method.

我在查了一些资料以后找到了一个比牛顿迭代法更加快速的方法。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新