Fractal Fract, Vol. 7, Pages 309: Laplace-Residual Power Series Method for Solving Time-Fractional Reaction–Diffusion Model

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Fractal Fract, Vol. 7, Pages 309: Laplace-Residual Power Series Method for Solving Time-Fractional Reaction–Diffusion Model

Fractal and Fractional doi: 10.3390/fractalfract7040309

Authors: Moa’ath N. Oqielat Tareq Eriqat Osama Ogilat Ahmad El-Ajou Sharifah E. Alhazmi Shrideh Al-Omari

Despite the fact the Laplace transform has an appreciable efficiency in solving many equations, it cannot be employed to nonlinear equations of any type. This paper presents a modern technique for employing the Laplace transform LT in solving the nonlinear time-fractional reaction–diffusion model. The new approach is called the Laplace-residual power series method (L-RPSM), which imitates the residual power series method in determining the coefficients of the series solution. The proposed method is also adapted to find an approximate series solution that converges to the exact solution of the nonlinear time-fractional reaction–diffusion equations. In addition, the method has been applied to many examples, and the findings are found to be impressive. Further, the results indicate that the L-RPSM is effective, fast, and easy to reach the exact solution of the equations. Furthermore, several actual and approximate solutions are graphically represented to demonstrate the efficiency and accuracy of the proposed method.

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