本文通过使用向量似变分不等式和半预不变凸函数来证明约束向量优化的弱极小值的存在性。

In this paper, We prove the existence of a weak minimum for constrained vector optimization problem by making use of vector variational-like inequality and semi-preinvex functions.

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首次提出并建立了用于产品设计方案评价的专家权向量、目标向量、约束向量、方案评价的目标矩阵和约束矩阵。

A system of evaluation criteria, namely the expert authority vector, object vector, constraint vector, object matrix and constraint matrix is put forward for project appraisal in conceptual design.

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然后，可以用微分关系,或受约束的偏微分来表示,曲线的切向量，就是这样了。

Then actually there are ways you can use basically differentials and constrained partials to figure out what the tangent vector to the curve is and so on.

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