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Stability Of Numerical Methods For Nonlinear Impulsive Functional Differential Equations

Posted on:2012-11-18Degree:MasterType:Thesis
Country:ChinaCandidate:H LiuFull Text:PDF
GTID:2210330338972634Subject:Computational Mathematics
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Impulsive functional differential equations describe the system which occurs a sud-den change in some stages The sudden change process costs very little time,but has agreat influence on the operational stage of the entire system Impulsive functional dif-ferential equations are widely applied in high technology field There aJ'e hardly resultsofthe numerical methods for solving impulsive functional differential equations in litera-ture Therefore,it is of important theoretical and practical significance to investigate theproblemThis paper mainly considers the numerical stability ofimpulsive functional functionaldifferential equation as follows:whereτ>0 is a constant,Bk is a impulsive operator,0<τ12<…<τN-1<T areimpulsive points,△y|t=τk=y(τk+)-y(τk),y(τk+)denotes the right limits ofy(t)atτk.In this paper,the 0-method for solving impulsive functional differential equation inBanach space is given The stability results ofθ-method axe obtained The stability ofRunge-Kutta methods for solving the impulsive functional differential equations in Hilbertspace is investigated The sufficient conditions of stability and asymptotical stability ofalgebraically stable RK-method are given The numerical results confirm our theoreticalanalysis...
Keywords/Search Tags:impulsivefunctionaldifferential equation, Runge-Kuttamethod, θ-method, algebraically stability, stability, asymptotical stability
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