牛顿法

The quasi-Newton iterative method in optimization is used to solve the numerical solution of this variational problem.

该模型最终由最优化领域中的拟牛顿迭代法实现数值求解。

Basing on the analysis of Park model and the vector diagram of hydro generator and taking its actual wiring in the power system into account,this paper develop an accurate method—Newton analytical method,to calculate the static stability boundary condition.

本文通过对水轮发电机派克方程和矢量图的分析，并考虑其在电力系统中的实际联结情况，建立一种精确的水轮发电机静态稳定边界计算方法———牛顿解析法，用此方法对多台机组静态稳定边界点所有参数的计算结果与试验实测值进行比较，误差很小，达到了足够的准确度。

Based on the analysis of influencing factors of agriculture development, Newton's theory of space as a guide, and Venn diagram as the display means, Beijing's agricultural development space was explored.

以农业发展空间影响因素分析为基础，借鉴牛顿的空间学说对农业空间进行划分，并以图示法为手段，直观地反映了不同空间的联系。

In Chapter Six,we translate the equation of the iterative step of nonsmooth Newton-type method for nonlinear SDP into the conversional linear equations by the tensor technique. By using the equivalency conditions in Chapter Five, we establish the local convergence of this method.

在第六章中，我们通过张量技术把非线性半定规划问题的非光滑牛顿型法迭代步方程转化为一般的线性方程组，并利用第五章中的等价性结论分析了这种方法的局部二次收敛性。

Many questions in natural science and engineering canbe transformed into nonlinear equations to be salved,Newton iterative method is an important technique to one-and multi-dimensional variables and iterative process exhibits sensitive dependence on initial guess point.

自然科学与工程中的许多问题都可以转化为非线性方程组的求解问题，牛顿迭代法是重要的一维及多维的迭代技术，其迭代本身对初始点非常敏感。

This article mainly carried on has put down work the seat, introduced stood upside down suspends the system each control method, has carried on a more detailed introduction to the condition space law; Has used Newton - the Euler method modelling; Proposed realizes with the condition space control method to a level stands upside down suspends the system the stable control, and has carried on the simulation experiment; In the experimental simulation, through change parameter R and Q, stands upside down with the condition space control method in the reality suspends on the system to carry on the confirmation, has realized the swing link balancing control, confirmed this plan to have the certain antijamming ability.

本文主要进行了以下工坐，介绍了倒立摆系统的各种控制方法，其中对状态空间法进行了较为详细的介绍；采用了牛顿-欧拉方法建模；提出用状态空间控制方法来实现对一级倒立摆系统的稳定控制，并进行了仿真实验；在实验仿真中，通过改变参数R和Q，用状态空间控制方法在实际倒立摆系统上进行验证，实现了摆杆的平衡控制，验证了该方案有一定的抗干扰能力。

According to the Planck formula,we have deduced a light wavelength equation of inflexion on Planck function , and solved two roots of the equation by Newton-Raphson method.

基于普朗克公式，导出普朗克函数拐点光波长的普遍方程，并利用牛顿迭代法求出该光波长方程的 2个根，找到普朗克公式中潜在的另外一个普适常数。

Newtons method is used to calculate power flow.

采用牛顿-拉弗森法进行潮流计算。

In this paper,a nonlinear planning method, quasi Newton multiplier method ,is introduced for the optimization of the bracing stiffness in braced frame structures with symmetric bracings.

本文针对设置有对称斜腹杆的钢筋混凝土框架－桁架结构，运用非线性规划方法拟牛顿乘子法，对框架－桁架结构体系中斜撑的刚度进行优化。

With Newton-Raphson and arc-length calculation method, this paper has made research on effect of various cable style, rise-span ratio and slenderness ratio on ultimate bearing capacity.

文中使用牛顿—拉弗森法和弧长法对荷载—位移平衡路径进行跟踪研究，研究了索对结构极限承载力的影响；分析中考虑了不同矢跨比和长细比等因素对索—拱结构极限承载力的影响。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。