查询词典 method of iteration

Newtons method is the heart of classic iteration. Although it is powerful and has fast speed of convergence, its shortcoming is obvious in some realms.

Newton法是经典迭代法的核心，虽然它是个强有力的方法并且收敛很快，但在某些情况下它的缺点也是很明显的。

The numerical example demonstrates the effectiveness of combined iteration method for a connected conical shell betting system.

因此，寻找一种非线性系统载荷识别的方法在学术和工程实践上都是有意义的。

The paper gives a special discussion of regularization method in inverse problem. On this basis, an ideal solution for ill-posed problem is built-the best disturbed iteration.

论述了反问题的高度非线性及求解的不适定性，分析了反问题求解的各种方法，并对在反问题求解过程中经常遇到的一类离散不适定问题进行了详细地分析和研究，并给出了具体的算法。

Mechanical reason of borehole collapse in brittle shale is researched. With the elastic theory, the formula for calculating the maximum and minimum drilling fluid density that would cause the initial shear fracture in vertical and inclined borehole is derived and the influence of formation non-linear deformation property is taken into account. The solution of the formula is given by iteration method.

研究了硬脆性泥页岩井壁坍塌的力学机理，利用弹性力学理论推导出了直井、斜井井壁产生初始剪切破坏而造成井壁坍塌的泥浆密度上、下限的理论计算公式，并对地层非线性变形性质对井壁应力的影响进行了修正，编制了迭代法数值求解软件。

New iteration way for free surface and discharge is presented on the basis of the characteristics of Monte Carlo method.

根据蒙特卡罗方法可以独立计算区域内任一点值的特点，提出了相应的自由表面和流量的迭代计算方法。

A direct iteration method in solving normal equations by means of bidirectional asynchronous integral has been successfully exploited, so that it can efficiently overcome the difficulty in solving two-point boundary value problems resulting from inverse s

文中提出双向异步积分迭代求解正则方程组的直接迭代法，较好解决了状态方程和协态方程稳定性相逆给求解两点边值问题带来的困难。

Newton method ; iteration ; order of convergence

牛顿法；迭代；收敛阶

If the pattern has a low rate of convergence, the time of the human and machines will be wasted and the answer are not surely attainable.So,we must look for the patterns with the high rate of convergence or try to settle some parameters of the iteration patterns (for instance the overrelaxation parameter of SOR iterative method).

本文第二章针对AOR迭代法考察了当线性方程组的系数矩阵A为(1，1)相容次序矩阵且其Jacobi特征值为纯虚数或零时的迭代收敛范围，最优参数(即最优松弛因子和最优加速因子)及与之相应的谱半径，并将此最优谱半径与相应的SOR的进行比较，定量的给出在不同条件下，AOR和SOR迭代法各有其优越性，从而圆满的解决了在这两种迭代法之间如何适当的选择最佳迭代法的问题。

An appropriate selection of basis function directly influences the learning performance of a policy iteration method during the value function approximation.

在策略迭代结强化学习方法的值函数逼近过程中，基函数的合理选择直接影响方法的性能。

The embodiment of the invention provides a method for coding the low-density parity checking code, comprising the following steps: in the iteration for the time of k, the variable node corresponding to an overturn function meeting the preset condition is overturned; according to the preset parameter, the reliability of the overturned variable node is corrected; according to the sequence of the overturned variable node, the checkout sub sequence is determined so as to output the coding result.

本发明实施例提供了一种低密度奇偶校验码的译码方法，主要包括：在第k次迭代中，对满足预设条件的翻转函数对应的变量节点进行翻转，根据预设的参数修正被翻转的变量节点的可靠度，根据翻转后的变量节点序列，确定校验子序列，以便输出译码结果。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。