Numerical and analytical study for integro-differential equations using shifted Legendre method
Journal: NEW TRENDS IN MATHEMATICAL SCIENCES (Vol.3, No. 4)Publication Date: 2015-12-01
Authors : Mohamed Khader;
Page : 144-153
Keywords : Shifted Legendre polynomials Integro-differential equations.;
Abstract
A numerical method for solving integro-differential equations is presented. This method is based on replacement of the unknown function by truncated series of well known shifted Legendre expansion of functions. An approximate formula of the integer derivative is introduced. The introduced method converts the proposed equation by means of collocation points to system of algebraic equations with shifted Legendre coefficients. Thus, by solving this system of equations, the shifted Legendre coefficients are obtained. Special attention is given to study the convergence analysis and derive an upper bound of the error of the presented approximate formula. Numerical results are performed in order to illustrate the usefulness and show the efficiency and accuracy of the present work.
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