Some relevant conditions on unconstrained and constrained problems are obtained.

得出了无约束问题、约束问题的相关条件。

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The paper, combined with evaluation function introduces the transformation of constrained problems into unconstrained ones, and offers an interval extension.

结合评价函数法将带约束的多目标优化问题转化为无约束优化问题，并给出相应的区间扩张，对相关定理进行了证明。

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Numerical results show that the present algorithm is efficient and reliable. The last chapter, we present a modified filter trust region method for bound constrained problems.

第六章，由第五章求解无约束问题的多维滤子信赖域修正算法出发，将其推广到界约束乃至凸约束的优化问题。

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Dennis Harp, a biotechnology analyst at Deutsche Bank, sees another reason for the increase: Amgen, he says, seems to finally be working its way through the manufacturing problems that have constrained the supply of its rheumatoid arthritis drug Enbrel.

FORBES: Magazine Article

The EIA says it is aware of the problems and fixes them when it can, though it is constrained by its budget.

WSJ: Questions Arise on Gasoline Demand Data

It will also be interesting to know if the situation at the supply-end has improved after Q4, when Nokia had problems meeting demand and could have sold even more Lumias had it not been supply constrained for most of the quarter.

FORBES: Nokia Earnings: Can Lumia Sales Light Up Results?