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长沙大学数学与信息科学系,长沙大学数学与信息科学系 湖南长沙410003,湖南,长沙,410003
Published:2002
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[1]蔡放,向昭红.保持C~2连续的一类弧长参数化方法[J].新疆大学学报(自然科学版),2002(04):385-388+421.
蔡放, 向昭红. 保持C2连续的一类弧长参数化方法[J]. Journal of Xinjiang University (Natural Science Edition in Chinese and English), 2002, (4).
讨论了 C2 参数曲线的弧长参数化 .在弧长区间选择性地取若干插值节点
利用原参数曲线的 C2 连续性质
构造一类局部性 H ermite插值三次样条
反插值参数曲线的弧长函数 .所导致的近似弧长参数方程几何上完全描述原参数曲线
且自然地保持 C2连续 .近似弧长参数化曲线对于精确弧长参数曲线具有实际应用所期望的逼近性质 .
This paper involves arc length parameterization for parameer curves. Selecting some knots on the arc interval and utilizing C 2 continuous of the original parameter curve
a Hermite interpolation cubic spline is constructed to approximately the inverse arc function of the parameter curve. Interpolator is local. the resulting nearly arc length parameterized equation still represents the original curve and remains C 2 continuous preserveing. The nearly arc length parameer curve.
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