检索结果-南通市图书馆

Bio-Inspired Numerical Analysis of COVID-19 with fuzzy Parameters

Computers, materials & Continua 2022年第8期72卷 3213-3229页

作者： f.m.allehiany fazal Dayan f.f.Al-Harbi Nesreen Althobaiti Nauman Ahmed muhammad Rafiq Ali Raza mawahib Elamin Department of mathematical Sciences College of Applied SciencesUmm Al-Qura UniversityMakkah21955Saudi Arabia Department of mathematics and Statistics University of LahoreLahorePakistan Department of mathematics School of ScienceUniversity of Management and TechnologyLahorePakistan Department of Physics College of SciencePrincess Nourah Bint Abdulrahman UniversityRiyadh11671Saudi Arabia Department of mathematics and Statistics College of ScienceTaif UniversityTaif21944Saudi Arabia Department of mathematics Faculty of SciencesUniversity of Central PunjabLahorePakistan Department of mathematics Govt.Maulana Zafar Ali Khan Graduate College WazirabadPunjab Higher Education Department(PHED)Lahore54000Pakistan Department of mathematics College of Science and ArtsQassim UniversityRiyadh Al KhabraSaudi Arabia

fuzziness or uncertainties arise due to insufficient knowledge,experimental errors,operating conditions and parameters that provide inaccurate *** concepts of susceptible,infectious and recovered are uncertain due to the different degrees in susceptibility,infectivity and recovery among the individuals of the *** differences can arise,when the population groups under the consideration having distinct habits,customs and different age groups have different degrees of resistance,*** realistic models are needed which consider these different degrees of susceptibility infectivity and recovery of the *** this paper,a Susceptible,Infected and Recovered(SIR)epidemic model with fuzzy parameters is *** infection,recovery and death rates due to the disease are considered as fuzzy *** basic reproduction number and fuzzy equilibrium points have been derived for the studied *** is then solved numerically with three different techniques,forward Euler,Runge-Kutta fourth order method(RK-4)and the nonstandard finite difference(NSfD)methods *** NSfD technique becomes more efficient and reliable among the others and preserves all the essential features of a continuous dynamical system.

关键词： fuzzy parameters SIR model NSfD scheme fuzzy equilibrium points fuzzy stability analysis

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Bio-Inspired Computational methods for the Polio Virus Epidemic model

引用

Computers, materials & Continua 2022年第8期72卷 2357-2374页

作者： fatimah Abdulrahman Alrawajeh f.m.allehiany Ali Raza Shaimaa A.m.Abdelmohsen Tahir Nawaz Cheema muhammad Rafiq muhammad mohsin Department of mathematics Faculty of Science CollegeImam Abdulrahman Bin Faisal University(IAU)Dammam31441Saudi Arabia Department of mathematical Sciences College of Applied SciencesUmm Al-Qura UniversityP.O.Box 715Makkah21955Saudi Arabia Department of mathematics Govt.Maulana Zafar Ali Khan Graduate College Wazirabad52000Punjab Higher Education Department(PHED)Lahore54000Pakistan Department of Physics College of SciencePrincess Nourah bint Abdulrahman UniversityRiyadh 11671Saudi Arabia Department of mathematics University of GujratGujrat50700Pakistan Department of mathematics Faculty of SciencesUniversity of Central PunjabLahore54600Pakistan Department of mathematics Technische Universitat Chemnitz6209111Germany

In 2021,most of the developing countries are fighting polio,and parents are concerned with the disabling of their *** transmits from person to person,which can infect the spinal cord,and paralyzes the parts of the body within a matter of *** to the World Health Organization(WHO),18 million currently healthy people could have been paralyzed by the virus during 1988–*** all countries but Pakistan,Afghanistan,and a fewmore have been declared *** mathematical modeling of poliovirus is studied in the population by categorizing it as susceptible individuals(S),exposed individuals(E),infected individuals(I),and recovered individuals(R).In this study,we study the fundamental properties such as positivity and boundedness of the *** also rigorously study the model’s stability and equilibria with or without *** numerical study,we design the Euler,Runge–Kutta,and nonstandard finite difference ***,the standard techniques are time-dependent and fail to present the results for an extended *** nonstandard finite difference method works well to study disease dynamics for a long time without any ***,the results of different methods are compared to prove their effectiveness.

关键词： Poliovirus modeling stability results computational methods

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：