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Questions about modeling biological populations, communities and ecosystems.

2 votes
1 answer
125 views

ParametricNDSolve with a delay differential equation

I have a set of delay differential equations that I solve numerically from 0 < t < T. y[T] is then used as the initial condition for z to start the next round. I would like to keep track of the evol …
1 vote
1 answer
199 views

Numerically solve delay ODE

I am trying to numerically solve a simple delay ODE in mma for the first time. I think this is likely a simple fix. I first tried to solve system as ordinary differential equation system for up to � …