This applet demonstrates a logistic growth model which
plots Population Pi for i = 1 to i = 600 given user input for
the initial population P0 , Growth Rate G and Carrying Capacity
CC. The difference equation used is
Pi+1 = Pi + G*(1 - Pi / CC)Pi
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Use the slider to adjust the Growth Rate;
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drag the small rectangle on the left boundary to set the initial population
P0
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drag the horizontal line to set the carrying capacity CC