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I'm relatively new to Mathematica and I've tried searching and reading through the Mathematica documentation but I'm not able to find a good place to start.

I want to model a simple, second-order negative feedback loop between two parties. I would like a) to have a visual animation of the system (this can be crude) and b) for there to be a plot of the amount of each party there is over time (this should obviously be some sort of periodic function depending on the parameters of the system).

Finally, I want to be able to see the change in behavior as a function of the delay in response of party A from party B. If the delay is long it should take a long while for equilibrium to occur after a shock.

A lot of the specific functionality I've mentioned is something I'm willing to try and figure out later, I just want a good place to start learning how to model such a system.

Thanks!

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you can start by looking through the Wolfram Demonstrations to see if there's something similar. It should give you a decent starting point. –  rm -rf Oct 2 '12 at 17:24
    
Welcome to our site, Ashok! –  whuber Oct 2 '12 at 18:03
    
Thanks :) Hope to participate. I'm going through, the demonstrations, thanks. –  Ashok M Rao Oct 2 '12 at 18:15
    
I'm wondering if System Modeler is more in line with what you're looking for. You can control System Modeler from Mathematica if necessary. –  amr Oct 3 '12 at 0:26
    
@AshokMRao Could you give me the two defining DEs for some sample? Then I'll see what I can do. –  VF1 Oct 7 '12 at 2:47
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