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Re: Integrating Differential Equations with Time Delay


Try using this

http://library.wolfram.com/infocenter/MathSource/725/

Cheers,

Raj


On May 4, 1:27 am, "Haider Arafat" <hara... at vt.edu> 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




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