Hello All,

In the demo NPZD example from "A Practical Guide to Ecological Modeling",
there are 2 steps in running the model, one where the model is run first
for 365 days, then a second run where the first run is used as initial
values.  What is the function of this first run? Is this to smooth out the
functions and arrive at the solution or oscillating dynamics?  Is this a
necessary step for all models using the deSolve package, or can it be
omitted?

Thanks,

-- 
Zaid McKie-Krisberg
Graduate Student
Biology Department
Biology-Life Sciences Building
Temple University
1900 N. 12 St.
Philadelphia, PA
19122

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