查询词典 Jacobi

Numerical analysis algorithm Jacobi iteration, using C language.

数值分析算法雅可比迭代法，用C语言实现。

And iteration, iteration and Jacobi iteration is compared part too.

同时将 迭代法、超松弛迭代法与之比较。

The paper compares nonlinear algorithm with Jacobi and QR. We can see that the method is very good from these examples.

这个方法解决了牛顿迭代初值难选的问题，从而使得算法能有效地运行。

Jacobi iterative numerical analysis it is the classic algorithms, it is my teacher preparation, I feel that he has written more than understandable.

详细说明：雅可比迭代它也是数值分析中的经典的算法，这是我的老师自己编写的，我感到他比书上更能让人理解。

In order to find the origin of the disagreement, calculations with limited angleθin reactant Jacobi coordinates are performed again.

为了找到引起偏差的原因，对该反应雅可比坐标系中的角度θ进行了限制，并重新展开计算。

We propose some efficient algorithms toimplement the Jacobi spectral method.It makes this new approach more preferable.

数值结果证实了理论分析的结果，也显示了这一方法的优越性。

In this paper, the following progress has been discussed:(1) the improved conjugate gradient algorithm which combines the inversion equation;(2) the formulation for velvet gene at all directions and the approximation method of Jacobian matrics based on disturbance method;(3) the model is adjusted by analyzing the influence of damp coefficient and correction factor to inversion result ;(4) the influence of damp coefficient to the resolution of inversion is studied. to some degree, we improved the problem of "barycenter ascending shift" to electric anomalous body in 3-D resistivity inversion.

本文主要讨论了以下几个方面的内容：（1）结合反演方程式改进的共轭梯度算法；（2）基于扰动法的线源Jacobi矩阵的近似计算方法及光滑系数矩阵在各个方向上的光滑因子的计算公式；（3）通过分析阻尼系数与修改量校正量对反演结果的影响，提出了利用校正系数对模型修正量进行校正；（4）较为系统的讨论了阻尼系数λ对反演分辨能力的影响，较好的改善了三维电阻率反演中的电性异常体重心的&上漂&现象。

The algorithm in this paper possesses at least one of the advantages such as fewer operating, less memory capacity, higher precision or programming simplified, in compar with the current methods.

本文讨论三对角线性方程组的解耦算法，矩阵的LR-'分解，求行列式，Jacobi矩阵的特征值与特征向量的关系以及三对角阵求逆等方

Compared with traditional method by solving a Jacobi matrix, calculating account is greatly decreased because only displacement and center of buoyancy need computing while those elements of waterline plane are not required.d Based on the research mentioned above, the paper presents the computer programmes of compartment definition, free surface effection, and some modules of the programme of the intact and damaged stability calculation.

与传统的拉格朗日乘子法相比，该优化方法公式推导简单，而且每次迭代只需计算水线面以下的排水体积和浮心坐标，不需计算水线面上的面积、漂心、惯性矩等要素，计算方法直接简便。 4在以上理论研究的基础上，开发了舱室定义，自由液面修正的计算机软件；编制了船舶完整、破损状态下的浮态、稳性计算的部分模块。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。