Quasi wavelet based numerical method for a class of partial integro-differential equation

Quasi wavelet based numerical method for a class of partial integro-differential equation
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一类偏积分微分方程的拟小波数值方法

DOI:
10.1016/j.amc.2012.04.090
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发表时间:
2012-08
影响因子:
4
通讯作者:
Zeng, Xueying
Zeng, Xueying
中科院分区:
数学2区
文献类型:
--
作者:
Long, Wenting;Xu, Da;Zeng, Xueying

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本文研究了一类偏积分微分方程初边值问题的数值解。空间导数采用准小波方法,时间导数采用前向欧拉方法离散。给出了详细的离散格式,并通过数值实验验证了离散技术的有效性。数值结果与精确解析解的比较表明,基于拟小波的数值方法具有明显的局部性,能够得到精确的结果。
In this paper we study the numerical solution of initial-boundary problem for a class of partial integro-differential equations. The quasi wavelet method is proposed to handle the spatial derivatives while the forward Euler method is used to discretize the temporal derivatives. Detailed discrete schemes are given and some numerical experiments are included to demonstrate the effectiveness of the discrete technique. The comparisons of the present numerical results with the exact analytical solutions show that the quasi wavelet based numerical method has distinctive local property and can achieve accurate results.
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