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    Numerical scheme and stability analysis of stochastic Fitzhugh-Nagumo model
    (Elsevier, 2022) Yasin, Muhammad W.; Iqbal, Muhammad S.; Ahmed, Nauman; Akgul, Ali; Raza, Ali; Rafiq, Muhammad; Riaz, Muhammad Bilal
    This article deals with the Fitzhugh-Nagumo equation in the presence of stochastic function. A numerical scheme has been developed for the solution of such equations which preserves the certain structure of the unknown functions, also we have given the stability analysis, consistency of the problem, and explicitly optimal a priori estimates for the existence of solutions of such equations. A unique solution has been guaranteed. The corresponding explicit estimates in the function spaces are formulated in the form of theorems. Lastly, one important feature of the article is the simulation of the proposed numerical scheme in the form of the 2D and 3D plots which shows the efficacy of the stochastic analysis of such nonlinear partial differential equations.