 
								Application of Homotopy Analysis Method for Solving an SEIRS Epidemic Model
								
									
										
											
											
												Inyama Simeon Chioma,
											
										
											
											
												Ekeamadi Godsgift Ugonna,
											
										
											
											
												Uwagboe Osazee Michael,
											
										
											
											
												Omame Andrew,
											
										
											
											
												Mbachu Hope Ifeyinwa,
											
										
											
											
												Uwakwe Joy Ijeoma
											
										
									
								 
								
									
										Issue:
										Volume 4, Issue 3, September 2019
									
									
										Pages:
										36-48
									
								 
								
									Received:
										10 June 2019
									
									Accepted:
										15 July 2019
									
									Published:
										3 September 2019
									
								 
								
								
								
									
									
										Abstract: In this paper, we modified the model of [23] and then applied a new semi-analytic technique namely the Homotopy Analysis Method (HAM) in solving the SEIRS Epidemic Mathematical Model. The modified SEIRS model wasfirst formulated and adequately analyzed. We investigated the basic properties of the model by proving the positivity of the solutions and establishing the invariant region. We further obtained the steady states: disease-free equilibrium (DFE) and endemic equilibrium (EE), then we went further to determine the local stability of the DEF and EE using the basic reproduction number which was calculated. We also applied Lyaponuv method to prove the global stability of endemic equilibrium, The HAM was applied to obtain an accurate solution to the model in few iterations. Finally, a numerical solution (simulation) of the model was obtained using MAPLE 15 computation software.
										Abstract: In this paper, we modified the model of [23] and then applied a new semi-analytic technique namely the Homotopy Analysis Method (HAM) in solving the SEIRS Epidemic Mathematical Model. The modified SEIRS model wasfirst formulated and adequately analyzed. We investigated the basic properties of the model by proving the positivity of the solutions and...
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