I am trying to solve this system of ODE's.
t(0) = .0001
t(f) = 500
d(y) / d(t) = 004*x*y-.04*y
y(0) = 200
d(x) / d(t) = .02*x-.00004/(t*y)
x(0) = 500
I get an error of "Internal Error trapped (6)"
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