外点（exterior point ）是复平面上的拓扑基本概念之一。如果a是A的补集X-A的内点（即点a的某一个邻域内的每一个点都不属于集合A），则a称为A的一个外点.。
该算法可看作是外点罚函数法的一个变体。
This algorithm may be regarded as a variant of exterior point penalty function methods.
利用外点惩罚函数法对回归方程进行优化，得出最佳的结构参数。
The regression equations were optimized through exterior penalty function method. So the best structure parameters were obtained.
根据曲轴宽电子束聚焦理论，研究了一种用曲轴轨迹确定轴外点扩散分布的方法。
Based on the theory of wide electron beam focusing with curved axis, a method for determining the off-axis point spread distribution is studied using the trajectories with curved axis.
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