Non-standard finite difference scheme and analysis of smoking model with reversion class

• Main Authors: Anwar Zeb, Abdullah Alzahrani
• Format: Article
• Language: English
• Published: Elsevier 2021-02-01
• Series: Results in Physics
• Subjects: Mathematical smoking model; Stability analysis; Non-standard finite difference scheme; Numerical results
• Online Access: http://www.sciencedirect.com/science/article/pii/S221137972032194X

Smokers are at more risk to COVID-19 as the entertainment of smoking because their fingers are in touch with lips regularly during smoking that increases the probability of transmission of virus from hand to mouth. On other hand the smokers may have lung disease (or reduced lung capacity) which would greatly increase risk of serious illness especially COVID-19. For this esteem, in this research work, we first formulate a mathematical model contains the reversion class. Then, using different techniques for finding the local and global stability of the presented model related to equilibrium points that are free smoking and positive smoking equilibrium points. As the model consisting on the nonlinear equations, so we use the non-standard finite difference (NSFD) scheme, ODE45 and RK4 methods to find the numerical results. Finally, we show the graphs numerically through MATLAB.