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CD School House 9.0 - Wayzata Technology (1994).iso
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volterra.ode
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1994-03-03
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176b
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13 lines
# VOLTERRA.ODE
# Volterra predator-prey equations
# See any book on population dynamics
# There is a limit cycle.
$t 20
x = 1
y = 2
x' = (1-y)*x
y' = (x-1)*y