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首页> 外文期刊>Journal of Optimization Theory and Applications >On the use of outer approximations as an external active set strategy
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On the use of outer approximations as an external active set strategy

机译:关于使用外部逼近作为外部活动集策略

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摘要

Outer approximations are a well known technique for solving semiinfinite optimization problems. We show that a straightforward adaptation of this technique results in a new, external, active-set strategy that can easily be added to existing software packages for solving nonlinear programming problems with a large number of inequality constraints. Our external active-set strategy is very easy to implement, and, as our numerical results show, it is particularly effective when applied to discretized semiinfinite optimization or state-constrained optimal control problems. Its effects can be spectacular, with reductions in computing time that become progressively more pronounced as the number of inequalities is increased.
机译:外逼近是解决半无限优化问题的众所周知的技术。我们表明,对该技术的直接适应导致了一种新的,外部的,主动集策略,可以轻松地将其添加到现有的软件包中,以解决具有大量不平等约束的非线性编程问题。我们的外部主动集策略非常容易实现,并且正如我们的数值结果所示,当将其应用于离散半无限优化或状态约束的最优控制问题时,它特别有效。随着不等式数量的增加,计算时间的减少变得越来越明显,其影响可能会非常壮观。

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