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关于用五次Hermite样条进行“最佳曲线拟合”的探讨
INVESTIGATION ON BEST FITTING OF PLANE CURVE WITH HERMITE FIFTH—DEGREE POLYNOMIAL
【摘要】 五次Hermite样条分段“拟合”给定的凸轮曲线,由于插值点数目及其分布均可变动,而优于三次Hermite样条。但关于插值点数目的选择与插值点在给定区间的分布,理论上还没有现成的答案。本文提出了一种解决此问题的策略,以期为工程设计提供可行的解决方法。
【Abstract】 As a spline function, Hermite fifth-degree po-lynomial, with which a given cam urvewill be fitted, issuperior to the third-degree, because both number of nodpoints and thier distribution on a specified travel can bechamged. Up to now, however, there is no theoritcal re-s???s for selecting number of nod points and spacing themA tactic, which is satisfacloiy in engineering, is proposed inthe paper to solve this problem.
- 【文献出处】 机械设计 ,Journal of Machine Design , 编辑部邮箱 ,1987年04期
- 【被引频次】1
- 【下载频次】86