查询词典 variational problem

This paper discusses the conditional stability for solving the inverse sideways heat conduction problem by the rapid decreasing properties of the mollification kernel function, and obtain its regularization solution and its error estimate by constructing a well-posed problem.

利用磨光核函数在无穷远处的急降性质研究了反问题的条件稳定性，构造了一个适定的问题来逼近原问题，从而获得反问题的正则化解及其误差估计。

Sufficient learning discusses, conduce to the development of this problem, also make the problem talks clearer more.

充分的学术讨论，有助于这个问题的深入，也使问题越论越清。。。。。。

In your lecture, I ask you to introduce the congruent number problem, and show exactly how it translates into a problem about elliptic curves.

在你的演讲中，你要介绍同余数问题，以及它如何转化成椭圆曲线问题。

Finally, conclude by saying that Proposition 18 turns the congruent number problem into a problem purely about elliptic curves; decide if the rank of such curves is zero or not.

最后，作结论，表明命题18把同余数问题转化为纯粹椭圆曲线问题，并判别椭圆曲线的rank是不是为零。

A boundary identification problem, i.e., inverse geometry problem of two-dimensional heat conduction was solved by using boundary element method and conjugate gradient method-based inverse algorithm.

采用基于边界元法和共轭梯度法的反演算法求解二维导热边界识别问题，即几何反问题。

Parametric evaluation function can condense the complicated multi-objective and multi-constrait problem into a single-objective unconstrained problem, then solved with conjugate gradient method.The parametric evaluation function method decreases the optimization difficulty,and makes the solution away from the boundary of feasible region during the optimization process,which makes all the objectives optimized simultaneously.

参数评价函数把复杂的多目标多约束优化问题转化为单目标无约束问题，然后用共轭梯度法进行求解，不但降低了求解难度，而且使得在优化过程中其解远离可行域的边界，保证了对多目标中所有目标同时进行优化。

The problem remains NP-complete even if all expressions are written in conjunctive normal form with 3 variables per clause (3-CNF), yielding the 3SAT problem.

问题依然存在NP完全问题，即使所有的表现形式是书面的合取范式与3个变量为第（ 3合），收益率的3SAT问题。

Study on the psychology and mental salvation of the urban vulnerable groups can help them know their problem that they are faced. It can help them take scientific and rational attitude to treat temporarily inextricable phenomenon and unable conquerable problem. It cannot bring on panic psychology. It can meet peoples deep level mental demand.

对城市弱势群体心态和心理救助进行研究，它有利于帮助人们正确认识所面临的问题，对暂时无法解决的现象或者自己无法克服的问题采取比较科学和理性的态度，不至于出现心理恐慌，同时得到更深层次的心理需求。

Solving the consistency problem In order to realize group work application system, how to control the operation to multi-copied data without destroying the consistency is a very important problem.

解决一致性问题为了实现群体工作应用系统，如何控制对多拷贝数据的访问而不破坏数据一致性是一个非常重要的问题。

Based on the idea and method of problem frame,consistency of viewpoints,integrated manner and integrated process of viewpoints are analyzed and discussed,and a method of integration of viewpoints based on problem frame is proposed.

基于问题框架的思想和方法，该文讨论了视点的一致性、集成方式、集成过程等，提出了一种基于问题框架的视点集成方法。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。