Torsten
Posts:
1,639
Registered:
11/8/10


Re: Logistic equation with delay
Posted:
Mar 24, 2014 3:42 AM


"Adin" wrote in message <lgi88s$etr$1@newscl01ah.mathworks.com>... > This is what I have so far: > > N1=zeros(201,1); > t=zeros(201,1); > t(1)=0; > N1(1)=10; > N1(2)=20; > delta = 1; > h=1; > > for i=2:200 > t(i)=i1; > d=(delta * t(i1)); > N1(i+1) = N1(i) + h*N1(i)*(ab*N1(id)); > end > plot(t,N1(:,1)), grid on; > > But I'm getting weird plots like this: http://i.imgur.com/4NeseF6.png > > Any ideas what I'm doing wrong?
N1=zeros(201,1); N1(1)=10; N1(2)=20; delta = 1; h=1; for i=2:200 N1(i+1)=N1(i)+h*N1(i)*(ab*N1(idelta)); end
But  as I told you  this is the discrete form of the delayed logistic equation, not the continuous form.
Best wishes Torsten.

