Numerical solution of one-dimensional Sine-Gordon equation using high accuracy multiquadric quasi-interpolation

Numerical solution of one-dimensional Sine-Gordon equation using high accuracy multiquadric quasi-interpolation
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高精度多重二次拟插值一维Sine-Gordon方程的数值求解

DOI:
10.1016/j.amc.2011.12.095
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发表时间:
2012-04
影响因子:
4
通讯作者:
Wang, Ren-Hong
Wang, Ren-Hong
中科院分区:
数学2区
文献类型:
--
作者:
Jiang, Zi-Wu;Jiang, Zi-Wu;Wang, Ren-Hong;Wang, Ren-Hong

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本文提出了一种利用高精度多二次拟插值求解一维Sine-Gordon方程的数值方法。我们使用一个多二次拟插值的导数来近似空间导数,和一个有限差分来近似时间导数。该格式的优点是无网格,在每一时间步中只使用一个多二次拟插值,因此算法很容易实现。我们的计划的准确性证明了一些测试问题。
In this paper, we propose a numerical scheme to solve one-dimensional Sine–Gordon equation related to many scientific research topics by using high accuracy multiquadric quasi-interpolation. We use the derivatives of a multiquadric quasi-interpolant to approximate the spatial derivatives, and a finite difference to approximate the temporal derivative. The advantages of the scheme are that it is meshfree, and in each time step only a multiquadric quasi-interpolant is employed, so that the algorithm is very easy to implement. The accuracy of our scheme is demonstrated by some test problems.
DOI: 10.2307/3621729
发表时间: 2000-07
期刊: The Mathematical Gazette
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作者:
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通讯作者: L. Chambers
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