查询词典 optimization problem

QoS multicast routing is a combination of nonlinear optimization problem,which has been proved that the problem is NP-complete problems.

QoS组播路由问题是一个非线性的组合优化问题，已证明了该问题是NP完全问题。

The latter have been seeking for an appropriate algorithm for solving an optimization problem expressed in a form of error norm between estimates from a proper forward model of light propagation in tissue and the measurements. Mathematically, this posed an ill-conditioned inverse problem.

间接法的核心是寻找解优化问题的合适的算法，此优化问题表示为正向模型和测量值间的误差范数形式，在数学上这是一个病态的非线性逆问题。

Scheduling problem is a kind of important combination optimization problem.

排序问题是一类重要的组合最优化问题。

The training problem is cast as optimization problem in parameter space.

其方法实质是将神经网络的训练问题转化为优化问题，利用禁忌搜索算法的全局寻优能力获得最优的神经网络权值与阈值。

In the computational methods of TPBVP, in order to reduce some difficulties involved in solving a TPBVP via adjoint variables, we discuss a direct method in which state and control variables are indirectly parameterized, The method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables, thus converting the optimal control problem into a nonlinear programming problem, which can be solved numerically.

在数值解法中，为了减少解决两点边值问题共轭变量带来的困难，主要讨论了将状态变量和控制变量进行参数化的一种直接方法，这种方法采用了近段发展起来的使用分段的多项式来代替状态和控制变量的直接优化方法，然后最优控制问题就转化成可以用数值方法解决的非线性规划问题，使得迭代初值更加容易选取。

According to the requirement of a minimum-fuel-consumption, a method of coplanar hit orbit optimization design for SGKW was studied. The dimensionless planar motion model of SGKW was founded, and the optimal control problem of minimum-fuel-consumption coplanar hit orbit was derived into two-point-boundary-value problem according to Pontryagin maximum principle.

针对燃料最省要求，研究了SGKW共面打击轨道优化设计方法，建立了SGKW的无量纲化平面运动模型，利用庞特里亚金极大值原理将燃料最省共面打击轨道的最优控制问题转化为两点边值问题。

Based on the special decomposition of Hankel matrix, we can transform the problem of approximating a given matrix with a positive semidefinite real Hankel matrix of lower rank to a smooth unconstrained optimization problem.

对矩阵的低秩Hankel半正定矩阵逼近，采用特殊的分解形式，可将其转化为一个无约束的优化问题进行求解，本文应用拟牛顿方法求解无约束优化问题。

After the primal problem being transferred into a combinatorial optimization problem, genetic algorithm is designed to solve it.

原问题转化为组合优化问题后，采用遗传算法进行求解。

This algorithm decomposes the primal problem into several sub-problems solving parallel which reduces the size and complexity of the optimization problem.

辅助问题原理建立了一个用于分布式并行优化的计算框架，各分区可根据具体情况自主选择优化算法。

The control problem is transformed to constrained optimization problem and is solved using sequential quadratic programming algorithm.

考虑了调节变量和被控变量的约束情况，推导了采用序贯二次规划算法的滚动优化方法。

Now he worked in ajoint venture.

现在他在一家合资企业工作。

More troops in Afghanistan won't change any of the foregoing.

更多的在阿富汗的军队也不会改变之前的状况。