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Legendre Collocation Method to Solve the Riccati Equations with Functional Arguments

Şuayip Yüzbaşı

Department of Mathematics, Faculty of Science, Akdeniz University, TR 07058 Antalya, Turkey

E-mail Address: syuzbasi@akdeniz.edu.tr

Corresponding author.

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and

Gamze Yıldırım

Department of Mathematics, Faculty of Science, Akdeniz University, TR 07058 Antalya, Turkey

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https://doi.org/10.1142/S0219876220500115Cited by:5 (Source: Crossref)

Abstract

In this study, a method for numerically solving Riccatti type differential equations with functional arguments under the mixed condition is presented. For the method, Legendre polynomials, the solution forms and the required expressions are written in the matrix form and the collocation points are defined. Then, by using the obtained matrix relations and the collocation points, the Riccati problem is reduced to a system of nonlinear algebraic equations. The condition in the problem is written in the matrix form and a new system of the nonlinear algebraic equations is found with the aid of the obtained matrix relation. This system is solved and thus the coefficient matrix is detected. This coefficient matrix is written in the solution form and hence approximate solution is obtained. In addition, by defining the residual function, an error problem is established and approximate solutions which give better numerical results are obtained. To demonstrate that the method is trustworthy and convenient, the presented method and error estimation technique are explicated by numerical examples. Consequently, the numerical results are shown more clearly with the aid of the tables and graphs and also the results are compared with the results of other methods.

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