查询词典 jacobi bracket

The Jacobi pseudospectral methods are applied to numericalsolutions of singular differential equations,differential equations in infinite intervals andin disc.

事实上，通过适当的变量代换，我们可把无界区域问题转化成某些特定的退化系数的有界区域上的奇异问题。

We take the nonlinear Klein-Gordonequation in an infinite strap and in a cylinder as examples to illustrate how to deal withnonlinear problems by using Jacobi pseudospectral methods.

Jacobi谱方法和拟谱方法数值分析理论的研究极大地丰富了现有谱方法的理论基础，同时将发展泛函分析、数值逼近论和偏微分方程数值解的相关理论。

We prove under the local error bound condition that the Levenberg-Marquardt method with this parameter converges quadratically to a solution of the system of the equations by the technique of the singular value decomposition of the Jacobi matrix.

利用Jacobi矩阵的奇异值分解技巧，我们证明了此时在局部误差界条件下，Levenberg-Marquardt方法产生的迭代点列局部二阶收敛于方程组的某个解。

These three algorithms can avoid to recompute the nth order head submatrix of the Jacobi matrix. Moreover, the last two algorithms are more stable, their precision can match well with the algorithm of Boley and Golub.

这三种算法都可以避免重构Jacobi矩阵的n阶首主子阵，并且后两种算法更稳定，数值精度可以(来源：A1cBC论c4文网www.abclunwen.com)与Boley和Golub的算法媲美。

The relationships between the eigenvalues of Jacobi iteration matrix and the block AOR iteration matrix make a very important role in our analysis. Then we prove some sufficient conditions for the semiconvergence of the block AOR method.

利用块AOR迭代矩阵和相应的块Jacobi迭代矩阵的特征值之间所存在的关系，我们证明了求解奇异p-循环线性方程组的块AOR迭代法半收敛的一些充分件。

He was a good How about Edgar Jacobi...

他是一个好人|-那么埃德加·雅各比呢？

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

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。

Police officers were injured and Jacobi's home was set ablaze...

在艰难的抓捕行动中

This, for Jacobi, was the result of Enlightenment rationalism and it would finally end in absolute atheism.

在雅可比看来，这是启蒙时期唯理主义的结果，其最终必然导致绝对的无神论。

Numerical analysis of Jacobi methods, including input and output interface.

详细说明：数值分析中的雅可比方法问题，含输入输出界面。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。