查询词典 Lagrange multiplier

With Lagrange multiplier ,Dirichlet boundary conditions are imposed along the essential boundaries.

在有限元三维20结点单元构成的空间网格上构建流形覆盖和权函数，采用拉格朗日乘子法施加位移约束条件，推导了分析静态问题的计算列式。

In the dissertation, meshless element free Galerkin method which utilizes moving least square is used for solving heat transfer problems. Lagrange multiplier method is used to deal with the essential boundary condition. Some parameters in element free Galerkin method, which influence the precision, are also discussed in the numerical simulation. The adaptive method of meshless method is also stated.

本文采用了基于移动最小二乘近似的无网格伽辽金法计算了热传导问题，采用拉格朗日乘子处理本征边界条件；讨论了无网格伽辽金法各个计算参数在数值模拟中对计算精度的影响；并对无网格的自适应方法进行了研究。

The example shows that the exponential change has tremendous influences on iterative number, Lagrange multiplier value and initial value. An appropriate value selected can make the algorithm have a good convergence property.

算例结果表明，指数的变化对迭代次数、拉格朗日乘子的取值及初值的选取都有较大影响，通过合适的取值可使算法具有更好的收敛性。

This paper introduce Lagrange multiplier method and its expandings first, and show the necessary condition of Multivariate function's extreme value, and use it to solve the Multivariate function's extreme value problem.

本文首先介绍了拉格朗日乘数法及其拓展，给出了多元函数条件极值的必要条件，并利用它求解了多元函数的条件极值问题。

By analyzing the random disturbance series of the classical time series model, the existence of autoregressive conditional heteroscedasticity effect is demonstrated by the Lagrange multiplier test, and the non-satisfaction of homoscedasticity of the classical model is discusse...

通过分析经典时间序列模型随机扰动分量，论证了自回归条件异方差效应的存在性，探讨了经典模型同方差假设不满足的问题。

In this method,without depending upon small parameter,a trial function with possible unknowns is used as initial approximation,then a correction functional is constructed by means of a general Lagrange multiplier ,which can be identified via variational theory.

本文提出了一种求解非线性方程的迭代算法，它不依赖于小参数，是先给方程一个带待定函数的试函数作为初始近似解，然后用拉氏乘子法构造一个迭代公式。

The Lyapunov theorem and Lasalle invariance principle are applied to optimization sub-problem in augmented Lagrange multiplier method.

3.3同时本文还给出了一种基于基因算法和传统优化算法相结合的途径解决连续的MINIMAX优化问题。

It is difficult to solve the optimal iteration step and Lagrange multiplier in the gradient optimal power flow solutions. The saddle node iteration method was applied to solve the above problems based on a certain supposition.

在梯度法最优潮流的求解过程中，确定不等式约束的拉格朗日乘子以及求取最优步长等比较困难，文中在采取一定假设的基础上，运用鞍点迭代算法进行上述问题的求解。

We have defined minimum structure function for the CSAMT inversion based on genetic algorithm, and have found the optimal value of the Lagrange multiplier μ=0.5. The designed models are H, A, K, Q and HKH, KHA. When the data is without noise or with 10% noise, the resulting resistivity models fit the true models well.

利用H、A、K、Q和HKH、KHA模型对方法进行了数值试验，在无噪和加入10％噪声情况下，反演结果与模型一致；加入20％噪声后，反演仍取得良好结果，与理论模型基本吻合。

As a kind of optimization method, The Lagrange multiplier method is discussed in this paper.

本文首次提出了一个新的发电机无功功率生产成本的计算方法。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。