A Comparative Analysis of Fractional-Order Fokker–Planck Equation

Fatemah Mofarreh, Asfandyar Khan, Rasool Shah, Alrazi Abdeljabbar

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The importance of partial differential equations in physics, mathematics and engineering cannot be emphasized enough. Partial differential equations are used to represent physical processes, which are then solved analytically or numerically to examine the dynamical behaviour of the system. The new iterative approach and the Homotopy perturbation method are used in this article to solve the fractional order Fokker–Planck equation numerically. The Caputo sense is used to characterize the fractional derivatives. The suggested approach’s accuracy and applicability are demonstrated using illustrations. The proposed method’s accuracy is expressed in terms of absolute error. The proposed methods are found to be in good agreement with the exact solution of the problems using graphs and tables. The results acquired using the given approaches are also obtained at various fractional orders of the derivative. It is observed from the graphs and tables that fractional order solutions converge to an integer solution when the fractional orders approach the integer-order of the problems. The tabular and graphical view for the given problems is obtained through Maple. The presented approaches can be applied to existing non-linear fractional partial differential equations due to their accurate, simple and straightforward implementation.

Original languageBritish English
Article number430
Issue number2
StatePublished - Feb 2023


  • Caputo derivatives
  • Elzaki transform
  • Fokker–Planck equation
  • homotopy perturbation method
  • new iterative method


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