有一个极值问题,也有关于拉格朗日乘数法的,链式法则也会有的,约束条件下偏导数当然不会漏掉。
Expect one about a min/max problem, something about Lagrange multipliers, something about the chain rule and something about constrained partial derivatives.
为了解决多厂供应链生产计划的协调问题,提出了一种基于拉格朗日松弛算法的内部价格协调优化策略。
To solve coordination problem of multi-plants supply chain production planning, a coordination and optimization strategy of internal price based on Lagrange relaxation algorithm was presented.
对内弹道均相流数值计算,用拉格朗日坐标下的方程组,容易处理运动边界问题。
Moving boundary problem can easily be solved with equations under the Lagrange Coordinate System for numerical computations of homogenous flow in interior ballistics.
采用椭球剖分策略剖分可行域为小的椭球,用投影次梯度算法解松弛二次规划问题的拉格朗日对偶问题,从而获得原问题的一个下界。
A projection subgradient algorithm for the Lagrangian dual problem of the relaxed quadratic problem is employed to general lower bounds of the optimal value for the original problem.
应用单一拉格朗日法,对一水平放置贮液箱中、位于不同密度的理想流体层间的矩形薄板的变形、应力问题进行研究。
With the single Lagrangian method, deformation and stress of a rectangular thin plate in different density ideal fluids in a tank placed horizontally were studied.
在离散对数困难问题的条件下,利用不经意多项式估值协议和拉格朗日插值多项式来解密s2(方案2)。
Under the condition of a discrete logarithm problem, S2 is decrypted by the OPE (Oblivious Polynomial Evaluation) protocol and Lagrange Interpolation Polynomial (scheme 2).
该算法利用拉格朗日算法将约束条件下的最优化问题进行转化,并采用对分算法加快搜索最优拉格朗日乘子的收敛速度。
Lagrange solution is employed to convert the constrained optimization problem and bisection method is used to reach a fast convergence in searching for the optimize Lagrange multiplier.
基于修正的拉格朗日描述,系统推导了三角形平面壳单元用于几何非线性问题分析时的增量平衡方程。
Based on the updated Lagrangian description, the incremental equilibrium equations of triangular plate shell elements for geometrically nonlinear problem are derived.
针对问题的非凸性,提出了基于拉格朗日对偶方法的最优子信道、速率和功率分配算法,并从经济学的角度予以解释。
We formulated this optimization problem and solved it using the Lagrangian dual method and interpreted it from the angle of economics.
然后,运用凸优化技术分析了该资源分配问题,并基于拉格朗日对偶法给出了一种子载波和功率最优分配算法。
Then, by use of multiple carrier system's frequency-sharing property and convex optimization, a subcarrier and power optimal allocation algorithm is proposed based on Lagrangian duality theory.
研究了地月三角拉格朗日点编队及基于编队的干涉任务设计问题。
Finally, the formation flying problems near Earth-Moon triangular Lagrange points and corresponding interferometry technologies are studied.
研究了编队飞行的控制系统结构和共线拉格朗日点附近的周期轨道保持控制问题。
Secondly, the control system structure and station keeping problems near collinear Lagrange points are studied.
该方法避免了拉格朗日格式因网格畸变产生的数值困难,也克服了欧拉格式材料界面跟踪问题以及因非线性对流扩散项而引起的数值困难。
The MPM eliminates difficulty with mesh distortion as in the Lagrangian method, and with interface tracking and nonlinear convection term as in Eulerian scheme.
本文针对带有间断系数的三维椭圆问题,讨论任意四面体剖分下的二次拉格朗日有限元方程的代数多重网格法。
In this paper, we consider a quadratic Lagrangian finite element equation arising from discretizations of 3d elliptic problem with jump coefficients under any tetrahedral partition.
对最适化条件、拉格朗日乘数理论以及对偶理论的综合论述,以及在控制、通信、动力系统和资源分配问题上的应用。
Comprehensive treatment of optimality conditions, Lagrange multiplier theory, and duality theory. Applications drawn from control, communications, power systems, and resource allocation problems.
将拉格朗日插值问题、泰勒插值问题揉合为一体进行综合推广,即高次带导数的插值问题的一般情形;
To extend the interpolation problems of Lagrange and Taylor is the ordinary problem about interpolation with derivatives of higher order;
结构部分以四边形平板壳元为基础,采用更新的拉格朗日(UL)方法分析结构大变形引起的几何非线性问题。
The structural analysis is based on a quadrilateral flat-shell element and an updated Lagrange (ul) formulation, which can be employed to model geometric nonlinearities arising from large deflections.
同时介绍了大变形问题的两种非线性有限元方法:全拉格朗日法T。
At the same time two nonlinear finite element equations for large deformation problem are introduced: the Total Lagrange approach and the Updated Lagrange approach.
以医疗急救资源的配置问题为建模核心,运用次梯度最优算法对传统的拉格朗日松弛算法进行了改进。
This paper focuses on the modeling of the resources location of medical rescue. At first, the traditional Lagrangean relaxation algorithm is improved by using subgradient optimization algorithm.
以医疗急救资源的配置问题为建模核心,运用次梯度最优算法对传统的拉格朗日松弛算法进行了改进。
This paper focuses on the modeling of the resources location of medical rescue. At first, the traditional Lagrangean relaxation algorithm is improved by using subgradient optimization algorithm.
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