"Sanaa" wrote in message <firstname.lastname@example.org>... > > > > y_(n+1)=x_n; > > > x_(n+1)= x_n + integration (f(y_(n+1)(s))) ds. > > > > So your final aim is to solve the delay differential equation > > dx(t)/dt = rho*x(t-r)*(1-x(t-r)) > > with x given on an interval of length r at the beginning, r and rho constant over time ? > > > > Best wishes > > Torsten. > > No. I don't want to solve the original delay differential equations, I wish to solve the discrete system after a certain discretization method applied to it. > Thanks a lot in advance.
But if the discretrization method is given, you are also given how the above integral is approximated. Or are you _searching_ for an adequate discretization method for the delay differential equation ?