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1)  saddle point problem
鞍点问题
1.
Then we concentrate on the construction of the discrete space of Lagrange multiplier, the space of mortar elements, and the conjugated gradient method for the related saddle point problem.
接着重点讨论了Lagrange乘子的近似空间 ,即粘接元 (mortarelements)空间的建立 ,以及所引起的离散鞍点问题www.fhccc.com_【官方首页】-凤凰彩票的共轭梯度迭代解法。
2.
To improve the convergence rate of the krylov subspace methods to solve saddle point problems,the block overrelaxation-type preconditioner is presented based on the block overrelaxation-type matrix splitting of the coefficient matrix.
为了提高krylov子空间方法求解大型稀疏鞍点问题的收敛速度,基于系数矩阵的块松弛型迭代分裂,提出了块松弛型预条件子,给出了预处理后系数矩阵的特征值分布和相应的最小多项式。
3.
In this paper,we present a convergent result of the iterative solution methods for a class of generalized saddle point problem,which lowers the condition of the recent results.
给出一类广义鞍点问题迭代解法的收敛性分析结果,降低了目前已有相关结论的适用条件,因而使得相关结果具有更广泛的应用性。
2)  saddle point problems
鞍点问题
1.
In this paper,we prove that in the sense of Baire category,most of the saddle point problems are generic.
本文证明了,在Baire分类的意义下,大多数鞍点问题www.fhccc.com_【官方首页】-凤凰彩票都是良定的。
2.
Solving saddle point problems for large and sparse systems is applied in many fields, such as constrained optimization,least square problems,image management and so on.
大型稀疏矩阵对应的鞍点问题的求解在很多领域中都有广泛应用,如约束优化问题,最小二乘问题,图像处理等等,对于这类方程是用迭代法进行数值求解的,Uzawa算法和最小残量法(MINRES)是两类求解鞍点线性问题的有效方法。
3)  generalized saddle point problem
广义鞍点问题
1.
In this paper,we extend the ST decomposition to the generalized saddle point problem and present three block triangular preconditioners.
本文进一步讨论ST分解,并把这种分解推广到广义鞍点问题上。
4)  Preconditioning Method for Saddlepoint Problems
鞍点问题的预处理
5)  hot spot
热点问题
1.
This article sums up eight aspects about the hot spot of environmental pollution with which we are faced in the hope that people attach great importance to environmental protection and take efficient measures against these problems to ensure sustainable development.
本文将我们正面临的环境污染的热点问题进行了综合归纳 ,以唤起人们对环境保护的高度重视并采取有力措施予以防治 ,从而实现可持续发展。
2.
Around these four years, the hot spot of comparative research on higher educational policies moved around private higher education policy, finance policy, internationalization policy, students policy and managerment & evaluation policy, etc.
www.fhccc.com_【官方首页】-凤凰彩票近四年来,我国高等教育政策比较研究主要围绕着私立(民办)高等教育政策、财政与投入政策、国际化政策、学生政策及管理与评估政策等热点问题而展开。
3.
During the past few years, China s education researchers have conducted extensive studies of hot spots of the nation s higher education and also expanded their investigations into new areas.
新世纪过去的几年中 ,我国高教理论工作者就近年来高等教育界出现的热点问题进行了深入研究 ,同时又顺应时代发展的要求 ,不断开拓新的研究领域。
6)  difficulties [英]['difikəlti]  [美]['dɪfə,kʌltɪ]
难点问题
1.
Objective To explore the difficulties and countermeasures in the morning shifting report in English.
www.fhccc.com_【官方首页】-凤凰彩票目的探讨护士英语交班中存在的难点问题及应对措施。
补充资料:鞍点
分子式:
CAS号:

性质:数学上同时具备极大与极小性质的点。应用于三维势能面及裂变核势能曲面上,与反应坐标相垂直的方向上过渡态位于势能的最低点,发生对称伸缩振动。在沿反应坐标方向上过渡态位于势能的最高点,发生不对称伸缩振动。过渡态在势能面所处的这一点即势能面的鞍点。

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