查询词典 iterative method for eigenvalue problems

In this thesis,the voltage stability boundary is the combined boundary which correspond to Saddle-node bifurcations and Hopf bifurcations.The closest Hopf bifurcation point is found through the proposed iterative method under the assumption that the Hopf hypersurface is continuous and convex.

因此在本论文中，在多维参数空间下，将稳定边界推广到鞍点和Hopf分岔点构成的混合稳定边界，探索性寻求Hopf分岔超平面的法向量，采用迭代算法求取系统发生最近振荡型电压失稳的负荷增长方式。

They are as following: to establish the selection method of the slaving designed quality functions according to the interrelationship among designed quality functions; to construct the measurement functions of the optimality robustness with the hypersurface characteristics around the current iterative point of designed quality functions.

具体地，根据设计性能函数之间相互关系给出了处于支配地位设计性能函数的选择方法；利用设计性能目标函数在当前迭代点附近的超曲面特征，构造设计性能目标函数的最优性健壮度量函数；按照系统有序化设计模型的最优解应同时具有可行性健壮与最优性健壮的要求，通过计算设计性能目标函数与约束函数对设计变量的波动与非设计参数的波动的一阶敏度来确定系统有序化设计模型中的健壮参数；并以此为基础建立了进一步考虑非设计参数波动对设计变量波动有影响的后健壮分析方法。

An iterative method is developed to calculate the coordinates of the intersection point of an incident ray with a B-spline surface in 3D space.

探讨了用阻尼最小二乘法对B样条曲面反射器进行优化设计的方法，通过优化运算修正控制顶点Z轴坐标，使得曲面在使用扩展光源时光形分布尽可能满足设计要求。

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。

Meanwhile, it proposed a method what is how to select iterative initial value.

同时，给出了一种基于K-means聚类算法的迭代初值选取方法。

Iterative method of integral equation is used to solve electromagnetic scattering from multiple conducting cylinders in this paper.

提要 本文用积分方程的迭代求解方法处理二维多导电柱体的电磁散射问题。

The interlingua's content is complemented and improved in the process of the design of the system. The method of iterative refinement can make it to satisfy the need of the other two modules gradually.

中间语言的内容是在系统设计的过程中不断补充完善的，循序渐进的开发方法可以使它不断地了解和满足源语言分析和目标语言生成两个模块的需要。

Preconditioned method can enhance the Chahine iterative algorithm's stability. Generally speaking, to increase the inverse size classes'number will benefit the measurement precision.

本文提出了针对独立模式高反演粒级数的平滑Chahine迭代算法以及非负平滑Projection迭代算法，明显的提高了反演精度。

Results indicated that the method designed by the author can be used to perform iterative computation on needed data more efficiently, and then reach an essentially feasible solution.

结果表明，该方法的特征是可以较为有效地对符合要求的数据进行迭代计算，并求出基本可行解。

By this method, the vibration solution can be obtained in the form of power series and the iterative computation is not needed.

本文首次将幂级数求解变系数微分方程的方法引入齿轮振动方程的求解中，从而不需要将齿轮变啮合刚度分段常数化和反复迭代求解，就可以求出齿轮的振动微分方程的解。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。