摘要
本文提出了一种利用三次参数样条构造封闭曲线的算法,证明了该封闭曲线的存在性与唯一性,并且给出了一个计算实例。
This paper presents a method, in which the closed curve is built by the cubic parameter spline. The existence and the uniqueness for the closed curve are proved. An example is given.
关键词
样条函数
曲线拟合
封闭曲线
CAD
spline function, curve fitting, closed curve, elimination.