A spectral iterative method for solving nonlinear singular Volterra integral equations of Abel type

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• 作者：A. Shoja^a ; ^{Ahmadshoja1@yahoo.com} ; A.R. Vahidi^b ; E. Babolian^a
• 关键词：Iterative method ; Spectral method ; Fractional differential equation ; Volterra integral equation ; Collocation method
• 刊名：Applied Numerical Mathematics
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：112
• 期：Complete
• 页码：79-90
• 全文大小：637 K
• 卷排序：112

文摘

In this paper, a spectral iterative method is employed to obtain approximate solutions of singular nonlinear Volterra integral equations, called Abel type of Volterra integral equations. The Abel's type nonlinear Volterra integral equations are reduced to nonlinear fractional differential equations. This approach is based on a combination of two different methods, i.e. the iterative method proposed in [7] and the spectral method. The method reduces the fractional differential equations to systems of linear algebraic equations and then the resulting systems are solved by a numerical method. Finally, we prove that the spectral iterative method (SIM) is convergent. Numerical results comparing this iterative approach with alternative approaches offered in ,  and  are presented. Error estimation also corroborate numerically.