查询词典 method of iteration

Under suit upper and lower solution, iteration sequences were constructed, and existence and unique of solutions of linear boundary value problems on second order nonlinear Hammerstein type integro-differential-difference equation were obtained by means of applying the Arzela-Ascoli theorem Lebesque control convergence theorem and disproof method.

在上下解存在的条件下，构造迭代序列，由Arzea-Ascoli定理和Lebesque控制收敛定理得到了二阶非线性Hammerstein型积分微分差分方程的线性边值问题的解的存在性。再利用反证法获得了解的唯一性。

A finite element incremental weighted iteration method, which can avoid divergency and speed up the convergence process,was proposed to solve the problems of tubing buckling in deviated wells.

建立了直井中有重钻柱非线性屈曲平衡方程及相应的泛函表达式，构造了一种能避免发散并加速收敛的有限元增量加权迭代法求解斜直井中钻柱屈曲问题，首次采用直接求解非线性特征值的方法来分析钻柱屈曲问题。

The basic formulations for the double nonlinear finite element analysis of drillstring in the large curvature wellbore are set up, and the Newton-Raphson iteration method is employed to solve the non-linear equations.

在此基础上，建立了对大曲率弯曲井眼中的钻柱进行二重非线性有限元分析的基本方程，以及相应的牛顿－拉斐逊迭代求解技术。

Matrix iteration method can be employed to figure out the first eigenvalue and eigenvector of a matrix.

矩阵迭代法是求矩阵的第一阶特征值与特征向量的一种数值方法。

For dynamic problem, the unsimultaneous staggered iteration FEM method with explicit central difference scheme is used for the elasto-plastic analysis of the dynamic response of a soil foundation. The computed results show good agreement with soil mechanic knowledge.

对于动力问题，采用异步交叉迭代显式有限元解法，对典型的地基算例进行了固液耦合的有限元动力弹塑性反应分析，结果定性符合土力学的一般规律。

Linear constraints only the first iteration of the feasible direction method.

详细说明：线性约束条件的只需一次迭代的可行方向法。

Using a new measure function to express the sparse prior information of SAR image, a regularized model is established. The model is solved by the fixed point iteration method and proved to be convergent.

本文采用一种新的度量函数表示SAR图像的稀疏先验，建立正则化模型，证明了不动点迭代求解的收敛性。

Gauss- Seidel iteration method is to function in the calculation of the first equation obtained after the first argument, it updates the independent variables into the second equation.

详细说明：高斯-赛德尔迭代计算方法是在计算第一个方程函数得到第一个自变量后，吧自变量更新进入第二个方程计算。

According to generating finite element model by meshing for special-shaped section columns, a computer program using the digital iteration method for full range analysis of special-shaped columns is complied. By the analytical results,"M-φ" related curves are obtained, at the same time, differences of ductile behavior, and bearing capacity are analyzed.

通过异形柱截面的有限元单元网格划分，用数值方法编制了计算机分析程序，通过计算，可以得到以上各种截面柱的弯矩—曲率关系曲线，分析它们在延性和承载力等性能方面的差异。

According to generating finite element model by meshing for special-shaped section columns and the conversion of coordinate,a computer program considered sliding of reinforcement anchoring using the digital iteration method for full range analysis of special-shaped columns is complied.

通过异形柱截面的有限元单元网格划分及坐标变换，在本文确定的数值分析方法上采用FORTRAN90语言编制了考虑粘结滑移影响的钢筋混凝土异形柱截面N-M-φ关系全曲线的计算机程序。

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。