# active set

• 作用集

## active set的用法和样例：

### 例句

1. The following example returns the active SET options for the current connection.
以下示例返回当前连接的活动SET选项。
2. The optimality conditions are given and a road identification method based on active set algorithm is proposed.
给出了二次规划问题的最优性条件并提出了一种基于有效集算法的道路识别方法。
3. A value held by an operating system that indicates how much primary storage a process is likely to require for its active set during a particular phase of processing.
在特定的处理阶段，为了建立某个进程，操作系统提供的主存储器容量的数值。
4. By using active set strategy, the authors need only to solve a reduced trust region subproblem which is solved inexactly by the truncated conjugate gradient method.
作者利用有效集策略，在每次迭代中只需求解一个低维的信赖域子问题，该信赖域子问题是通过截断共轭梯度法来近似求解的。
5. On algorithm aspect, we gave an incomplated active set method for linear complementary constrains problems, which reduced the constrained set of its subproblems.
在算法方面，对带线性互补约束的优化问题给出了一个不完全积极集解法，减小了子问题的约束集合。
6. With the idea of active set, per single iteration, it is only necessary to solve three systems of linear equations.Under certain conditions, its global and superlinear convergence are obtained.
在每次迭代中，基于积极约束集策略，该算法只需求解三个线性方程组，因而其计算工作量较小。

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