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The third kind Chebyshev wavelets collocation method for solving the time-fractional convection diffusion equations with variable coefficients

机译:求解可变系数时间分数对流扩散方程的第三类切比雪夫小波配置方法

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In this paper, a numerical method based on the third kind Chebyshev wavelets is proposed for solving a class of time-fractional convection diffusion equations with variable coefficients. The third kind Chebyshev wavelets operational matrices of the integer order integration and the fractional order integration are derived respectively. They are utilized to reduce the problem to a system of linear algebraic equations by combining the collocation method. The uniform convergence analysis and error estimation for the third kind Chebyshev wavelets expansion are investigated. Illustrative examples are given and the numerical results are presented to demonstrate the efficiency and accuracy of the proposed method. (C) 2016 Elsevier Inc. All rights reserved.
机译:本文提出了一种基于第三类切比雪夫小波的数值方法,用于求解一类具有变系数的时间分数对流扩散方程。分别推导了整数阶积分和分数阶积分的第三类切比雪夫小波运算矩阵。通过组合配置方法,将它们用于将问题简化为线性代数方程组。研究了第三类切比雪夫小波展开的一致收敛性分析和误差估计。给出了说明性示例,并给出了数值结果,以证明所提方法的效率和准确性。 (C)2016 Elsevier Inc.保留所有权利。

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