Is it possible to model discrete populations using ode45?

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Andrew
Andrew on 16 Dec 2013
Answered: Sean de Wolski on 16 Dec 2013
Hi,
I am undertaking some population modelling, and the population size falling below 1 (between 0 and 1) is introducing some inaccuracies. Does anyone know of a way to either: - Limit the minimum population size? - Instruct the solver to only deal with integers?
Many thanks,
A

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Answers (1)

Sean de Wolski
Sean de Wolski on 16 Dec 2013
It sounds like you will need to include an event that happens when Y <= 1.
http://www.mathworks.com/help/releases/R2013b/matlab/ref/odeset.html

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