Point-based methods for estimating the length of a parametric curve

Point-based methods for estimating the length of a parametric curve
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DOI:
10.1016/j.cam.2005.10.001
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发表时间:
2006-11-15
影响因子:
2.4
通讯作者:
Rasmussen, Atgeirr F.
Rasmussen, Atgeirr F.
中科院分区:
数学2区
文献类型:
--
作者:
Floater, Michael S.;Rasmussen, Atgeirr F.

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本文研究了仅用点样本估计参数曲线长度的一般方法。我们表明,通过特殊的选择点,即高斯-洛巴托节点,我们得到更高的近似阶数,类似于高斯积分的行为,我们得到一些明确的例子。(c)2005 Elsevier B. V.保留所有权利。
This paper studies a general method for estimating the length of a parametric curve using only samples of points. We show that by making a special choice of points, namely the Gauss-Lobatto nodes, we get higher orders of approximation, similar to the behaviour of Gauss quadrature, and we derive some explicit examples. (c) 2005 Elsevier B.V. All rights reserved.