Re: Integrating Differential Equations with Time Delay
- To: mathgroup at smc.vnet.net
- Subject: [mg75546] Re: Integrating Differential Equations with Time Delay
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Sat, 5 May 2007 05:53:19 -0400 (EDT)
- References: <f1eqpt$59j$1@smc.vnet.net>
Hi, there are Delay solvers on MathSource http://library.wolfram.com/infocenter/MathSource/725/ but you can still use a continuous output Runge-Kutta method and modify it as a delay solver by yourself. Regards Jens Haider Arafat wrote: > I am not able to use NDSolve to integrate a differential equation of the > form > > u''(t) + a u(t) == b u(t-tau); > u(0) == u0; > u'(0)==udot0; > > where tau, a, and b are all constants. Is there any way to numerically > integrate this type of equations > in Mathematica. > > Any help is appreciated, > > Haider Arafat > > >