拉格朗日乘子

词组短语

lagrange multiplier · Lagrange multiplier

与拉格朗日乘子相关的网络例句 [注：此内容来源于网络，仅供参考]

It is pointed out that the classical Lagrange multiplier method is one of the theoretical fundament of the adjoint method in data assimilation.

论述了数据同化中的伴随方法与泛函分析中的伴随算子的关系，指出经典的拉格朗日乘子法可以作为伴随方法的理论基础。

To research the frame as one system and find the congruous pre-tightening load, the finite element analysis models of combined frame are built up with selected Lagrange multiplier algorithm as contact arithmetic and applying pre-tightened force element.

为将机身作为一个系统来进行分析以确定预紧力，选择拉格朗日乘子法作为接触算法，并结合预紧力单元解决组合式预应力机身的有限元建模问题。

The performance function and constraint equation in calculus of variations were constructed by analyzing input and output equations of the system containing parameters to be estimated. The traditional parameter estimation problem could be transformed to that of least squares estimation.

通过分析包含待估参数的系统输入输出方程，构造变分法中的性能范函和约束方程，将传统的参数估计问题化为带约束条件的最小二乘估计问题；利用拉格朗日乘子法，分析参数估计方程，得到参数的最优估计。

With the Lagrange multiplier method , the minimum distance of the center of a circle and a quadric surface was provided and the tangency condition of curve and surface was given.

利用拉格朗日乘子法求解二次曲线和二次曲面之间的最小距离，给出了曲线与曲面相切的条件。

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。

We establish a Lagrange multiplier theorem for strict efficiency in convex settings and express strict points as saddle points of an appropriate Lagrangian function.

讨论凸多目标最优化问题的严有效解，建立了拉格朗日乘子定理，并把严有效解表示为一个适当的拉格朗日函数的鞍

Therefore, from the theoretical point of view, a solution of the constrained problem and the corresponding values of the Lagrange multipliers can be found not only by the well known method of multipliers but also by performing a single unconstrained minimization of the Hestenes-Powell augmented Lagrangian function on the product space of problem variables and multipliers.

因此，从理论的观点来看，原约束问题的解和对应的拉格朗日乘子值不仅可以用众所周知的乘子法求得，而且可以通过对Hestenes-Powell增广拉格朗日函数在原问题变量和乘子变量的积空间上执行一个单一的无约束极小化来获得。

Then, on the basis of Atluri's work, a modified MLPG method is employed, in which the moving least squares approximation is used as a trial function and the Heaviside function is used as a test function of the weighted residual method.

然后基于Atluri等人的工作，采用移动最小二乘近似函数构造试函数，采用Heaviside函数作为加权残值法中的权函数，采用直接插值法施加本质边界条件而不采用罚函数法和拉格朗日乘子法。

The vibrational frequency and the mean number of phonons of surface polaron are derived by using improved linear combination operator and unitary transformation method.

采用Tokuda改进的线性组合算符和幺正变换方法导出了表面极化子的振动频率和声子平均数，讨论了多原子晶体中强耦合表面极化子的振动频率和声子平均数与拉格朗日乘子u和电子—声子耦合参数α的关系。

与拉格朗日乘子相关的网络解释 [注：此内容来源于网络，仅供参考]

lagrange interpolation polynomial：拉格朗日插值多项式

lagoonside 泻湖陆侧地 | Lagrange interpolation polynomial 拉格朗日插值多项式 | Lagrange multiplier 拉格朗日乘子

lagrange interpolation polynomial：拉格郎日插值多项式

lagrange interpolation formula 拉格朗日插置公式 | lagrange interpolation polynomial 拉格郎日插值多项式 | lagrange multiplier 拉格朗日乘子

Lagrange multiplier：拉格朗日乘子

1964年,钱伟长教授明确提出了引进拉格朗日乘子(Lagrange multiplier)把有约束条件的变分原理化为较少(或没有)约束条件的变分原理的方法. 日本的鹫津一郎教授、中国科学院院士钱伟长教授和刘高联教授等都是这方面的世界级大师.

L Lagrange multiplier：拉格朗日乘子

J Jacobian 雅可比矩阵 | L Lagrange multiplier 拉格朗日乘子 | large-scale 大型的

Lagrange multiplier procedure：拉格朗日乘子方法

Lagrange multiplier method | 拉格朗日乘子法[LMM] | Lagrange multiplier procedure | 拉格朗日乘子方法 | Lagrange point | 拉格朗日点

generalized Lagrange multiplier：广义拉格朗日乘子

广义拉盖尔多项式|generalized Laguerre polynomial | 广义拉格朗日乘子|generalized Lagrange multiplier | 广义理想类群|generalized ideal class group

lagrange problem：拉格朗日问题

lagrange multiplier 拉格朗日乘子 | lagrange problem 拉格朗日问题 | lagrange remainder term 拉格朗日剩余项

Lagrangian：拉格朗日算符

lagrange's method of undetermined multiplier 拉格朗日的待定乘子法 | lagrangian 拉格朗日算符 | lagrangian formalism 拉格朗日形式论

Multipliers：拉格朗日不定乘子法

运动方程 lagrange's method of undetermined | multipliers 拉格朗日不定乘子法 | laguerr's polynomial 拉盖尔多项式

Lagrange multipliers：拉格朗日乘子

644 劳动者管理经济 Labour-Managed Economies | 645 拉格朗日乘子 Lagrange Multipliers | 646 自由放任主义 Laissez-Faire