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 type of problems 题目类型(0)类问题(10)
 类问题
 Mixed integer programming (MIP) problem is a special math programming(MP) problem which include integer or discrete variables, and the type of problems was apllyed broadly in engineering. The algorithm of mixed integer programming problem is also an important problem in math programming. 混合整数规划(Mixed Integer Programming, MIP)是涉及到整数或离散变量的一类数学规划问题,这类规划问题在实际中有着广泛的应用,此类问题的算法也是数学规划中的重要问题。 短句来源 This type of problems has many applications in industry. 这类问题在工业中有大量应用,也是固体力学中的一个经典问题. 短句来源 Through designing altitude control system and trajectory simulation of some missile, the type of problems was solved successfully and reached a good engineering robust performance. This resolution provideded some conditions for the high speed control theory in application of the missile control engineering. 通过某型导弹高度控制系统设计,弹道仿真计算,成功地解决了这类问题,获得良好的工程鲁棒性,为快速控制理论在导弹控制工程应用创造了条件。 短句来源 Second also study the convergence of the maximum entropy method for min max problems with convexity. The results obtained bring to light the reason why the maximum entropy method usually obtains highly precise solutions to this type of problems. 在没有可微假设的条件下，证明了极大熵函数既能保持成员函数的凸性，也能保持一致凸性．在此基础上对具有凸性的极大极小问题的极大熵方法的收敛性进行了较详细的研究，有关结果在一定程度上揭示了该方法解这类问题一般都能得到精度很高的解的原因． 短句来源 Two type of problems, which exist in the present project management for science research, are described: the problem of project management and the problem of information management. 描述了目前科研项目管理存在的两大类问题:项目管理问题和信息管理问题; 短句来源 更多
 “type of problems”译为未确定词的双语例句
 However,compared with metaphor,metonymy has not been thoroughly studied,especially regarding what type of problems it presents to the second language learners in their acquisition of idioms. 但与隐喻相比,转喻的研究明显不足,尤其是转喻这一语言现象会给第二语言学习者在目的语习语习得过程中带来什么样的问题,以及解决这些问题方法的研究较为罕见。 短句来源 THE OPTIMIZATION TECHNIQUE TO SOLVE A TYPE OF PROBLEMS ABOUT MACHINE ALLOCATION WITH MARGINAL INDICATOR 用边际法求解－类设备的最优分配问题 短句来源 For NP-complete combination optimization problems, there is no efficient algorithm to the solution of the problems. Consequently, heuristic algorithms may be used to solve such type of problems. 对于NP-完全的组合优化问题,至今尚无很好的解析算法,一般采用启发式算法来解决。 短句来源 The RS Algorithm is also applicable for the same type of problems in management engineering. 算法亦适用于管理工程中同类的规划问题. 短句来源 Because of the complicated boundary shapes in this type of problems, it is difficult to solve the well known Morley's equation. 由于开孔问题的边界形状较为复杂,使用圆柱壳的 Morley 方程进行求解较为困难。 短句来源 更多
 相似匹配句对
 Type of Y. 针对 Y. 短句来源 illiensis type and T. iliensis type、T. 短句来源 type C: mixed. C型:混合型。 短句来源 On The Type Of Permutations 关于排列的型 短句来源 Problems 问题 短句来源

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 type of problems
 Applying an integral inequality well adapted to this type of problems we improve some earlier results of Lagnese and of Rao in two respects: we weaken and simplify their growth assumptions and we use only one feedback instead of two as before. It was found that the approach with partial differential equations is preferable to the one with integral equations for the type of problems treated in this study. The frequency and type of problems still arising are discussed in the light of recent surveys in England. As a result, the learned functions automatically behave as filters and rankers, rather than binary classifiers, which we argue to be better for this type of problems. The aim of this paper is to investigate under which conditions the existence of a feasible point of a bilevel problem can be assumed in advance and under which conditions there exist minimizers for this type of problems. 更多
 Among the difficult problems in hydraulics is the flow with a free urface,because, not known a priori,it has to be determined as a part of the solution.A finite element method based on the variational principle for variable domains is proposed for this type of problems. As shown in Fig.1, the domain of solution is divided by a prescribed F curve into two sub-domains,the fixed ABEPQGMNOA and the variable EFQPE with the free stream line as its boundary. Triangular elements and linear distribution of ψ are... Among the difficult problems in hydraulics is the flow with a free urface,because, not known a priori,it has to be determined as a part of the solution.A finite element method based on the variational principle for variable domains is proposed for this type of problems. As shown in Fig.1, the domain of solution is divided by a prescribed F curve into two sub-domains,the fixed ABEPQGMNOA and the variable EFQPE with the free stream line as its boundary. Triangular elements and linear distribution of ψ are adopted for the inner region,while trapezoidal elements and linear distribution of q2 for the variable domain. The unknowns to be solved for are the values of ψ of the nodes and the ordinates of points on the free surface. Equating the partial derivatives of the functional to zero furnishes enough equations,thus,the location of the free surface and the values of ψ are solved for simultaneously. The method is applied to free surface sluice gate flow over spillway and computed pressure distribution agrees satisfactorily with experimental results. 用有限元法计算水力学问题的困难之一是如何处理自由水面.因自由水面的位置在计算前是不知道的,求解的区域就不能预先确定.常用的方法是先假定自由水面的位置,把问题当作具有已知边界的问题来计算,然后校核沿自由水面的条件是否满足.如不满足,再重新修改自由水面的位置进行计算,直到能满足为止.本文建议,从可变区域的变分概念出发,把决定自由水面形状的座标和各结点的流函数值当作未知量,形成方程组同时求解.用这种方式可以减少计算的工作量,算出的溢流面压力分布资料和试验结果符合较好. A numerical method is presented for digital simulation of dynamic systems withfunctions containing discontinuities.The method is suitable for both off-line andin-line simulation.And it can achieve medium and high accuracy.The effectiveness ofthe method consists in:1.A suitable integration method for each type of problem,2.A flexible hybrid algorithm for searching the zeros of the function;3.Hermiteinterpolation for function approximation;4.Special treatment for evaluating thecondition functions;5.Inverse... A numerical method is presented for digital simulation of dynamic systems withfunctions containing discontinuities.The method is suitable for both off-line andin-line simulation.And it can achieve medium and high accuracy.The effectiveness ofthe method consists in:1.A suitable integration method for each type of problem,2.A flexible hybrid algorithm for searching the zeros of the function;3.Hermiteinterpolation for function approximation;4.Special treatment for evaluating thecondition functions;5.Inverse continuous fraction interpolation together with ratio-nal extrapolation for greater accuracy in integration.Four examples are given to compare results obtained with those given elsewhere. 本文给出适合高、中精度上求解右端函数含不连续特性微分方程组的有效算法。算法可适用于非实时及实时仿真。其有效性基于:1)根据所解题目选择适当的积分方法;2)引进一种灵活的混合式零点寻找程序;3)Hermite 内插的应用;4)条件函数估值的特殊处理;5)反置连分式内插与有理外插积分法的结合。 In this article singularity function-methods are introduced and used here for solving statically indeterminate beam problems and progr- amming the general program of solution of this type of problems.The singularity functions constitute a usful and easy means of in- tegrating across function discontiniuties. By their, use, general exp-ressions for the shear force, bending moment, slope, and deflection of a beam can be expressed.Thus, we may solve simultaneously the equa: ions for the redundent reactions... In this article singularity function-methods are introduced and used here for solving statically indeterminate beam problems and progr- amming the general program of solution of this type of problems.The singularity functions constitute a usful and easy means of in- tegrating across function discontiniuties. By their, use, general exp-ressions for the shear force, bending moment, slope, and deflection of a beam can be expressed.Thus, we may solve simultaneously the equa: ions for the redundent reactions by substituting appropriate boundary con-ditions into the equations. An analysis also shows that to program general program of solution for above problems, it is advantageous for singularity function-methods to be combined with the force method in structural mechanics. And it hag been proved that this is an efficient method edsy to utilize, 本文介绍了奇异函数及其在解超静定梁问题和在编制超静定梁通用计算程序中的应用。奇异函数是一个跨越函数不连续点求积分的简便易行的方法。应用奇异函数可把梁的剪力、弯矩、转角以及挠度写成通用表达式,代入适当的边界条件,可由这些方程联立解得多余约束反力。分析还表明,编制上述问题的通用计算程序,较便利的方法是将奇异函数法与结构力学中的力法相结合。这是一个有效的、容易掌握的方法。 << 更多相关文摘
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