查询词典 iterative method

The simulation of design has been conducted by matrix method combined with iterative method.

操作型模型分别以T_0、T_K、处理量F_0、出料浓度x_等不同控制变量为未知变量并采用矩阵法结合迭代法进行操作模拟计算；在操作模拟计算的基础上，建立了复杂多效蒸发系统操作优化模型，该模型以浓缩成本最小为优化目标，以T_K和F_0为决策变量，采用遗传算法结合矩阵法求解。

The SEM poles have been calculated theoretically by using the iterative method and contour integral method so far, but the both methods have many defects.

为了从理论上得到散射体的极点，人们提出了许多的数值计算方法，如Newton迭代法，Muller迭代法和围线积分法等，但都存在种种缺陷。

Based on the presented method and program a suspension bridge's main cable shape at dead load was computed by iterative method.

基于该方法和程序对一座悬索桥的主缆进行了恒载线形的迭代计算分析。

Using finite partition FEM, the material nonlinearity of 2D-beam structure was also considered. Combined with the incremental iterative method and are length method, a program for the geometric and material nonlinearity analysis of 2D-frame structure was complied.

坐标下的所有有限元列式，并采用有限分割有限元法分析结构的物理非线性，结合荷载增量法和柱面弧长法编制了相应的平面杆系结构几何、物理双非线性有限元分析程序。

Using the three most commonly used fast algorithm: nonlinear iterative method, Gauss elimination and a new method of solution of linear equations!

详细说明：采用三种最常用的快速算法：非线性迭代法，高斯消元法和一中全新的解法解线性方程组！

Based on the Saint-venant equations describing the channel flow movement, the nonlinear algebraic equations derived by the use of Preissmann weighted implicit four-point scheme are solved with the Netwon-Raphson method. A combined Gauss main-element elimination method with compress-storage technique is proposed. The relaxation iterative method for solving branch river networks is extended, which can turn the problem of any complex river networks into the problem of a series of single rivers. The coupling of hydraulic model with water quality model is built up. The combined model was applied to a large complicated river networks with numerical hydraulic structure which influenced by strong tide, storm and heave rain. Visualization of computational results is realized by means of MapInfo, which displays the computational results in fast, convenient and accurate way.

水力模型以描述河道洪水波运动的Saint-Venant方程组为基础，用Newton-Raphson方法直接求解按Preissmann加权四点格式进行离散所得的非线性代数方程组，提出了压缩存贮形式的Gauss列主元消去法并对数值解的收敛性进行了讨论；将支流流量的松弛迭代方法从树状河系推广到了环状河网，使任意复杂河网水力计算的问题都可化为一系列的单一河道的水力计算问题；建立了水力模型与水质模型的联接，初步应用于既有洪水、暴雨、强潮等综合影响，又存在多种水工建筑物及水力调度问题的大型复杂河网中的非恒定流水力、水质计算问题；利用MapInfo对计算结果的可视化进行了研究，有利于决策者快速、方便、准确地作出决策。

Inverse problems ; nonlinear ill-posed operator equations ; Newton type method ; implicit iterative method ; iteration stopping rule

反问题；非线性不适定算子方程； Newton型方法；隐式迭代法；迭代终止准则

In this paper, we mainly apply theory of ordering in nonlinear functional analysis, cone theory, topological degree theory, cone expansion and compression theory, and the method of upper and lower solutions, partial ordering method, iterative method to study some nonlinear differential equations BVP and fixed points problems of mixed monotone operators, and obtain some new results.

中文摘要：在本文中，我们主要应用非线性泛函分析中的半序理论，锥理论，Leray-Schduder拓扑度理论，锥拉伸与锥压缩不动点理论，以及上下解方法，半序方法，迭代方法对一些非线性微分方程边值问题和混合单调算子的不动点问题进行讨论，并得到了一些新成果。

To meet the demand of the micro-region measurement, digital micro-image correlation method is developed with more stable and credible calculating technology in the project, which is consist of the simple searching method and correlation iterative method.

本项目旨在建立一套数字显微图像微区测试系统，该系统根据物体表面微区内自然纹理在变形前后的概率统计相关性来确定物体表面的位移和应变。

To investigate the detecting capability of GPR in the dispersive medium, we propose a Finite Difference Time Domain method to solve Maxwells equations. We give an iterative method for calculation of the electrical displacement and magnetic fields in the Debye medium, and a method to compute the electric field from electrical displacement.

为了研究地质雷达在频散介质中的探测能力，提出了频散介质中时间域有限差分法计算麦克斯韦方程的方法，给出了满足Debye关系的频散介质中的电位移和磁场的迭代算法，以及由电位移计算电场的算法。

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。