
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:A population of fish in a controlled pond is represented by a growth logistic model: Given the
equation is:
Pn+1 = 1.6P - 0.0003P, ²
where P, is the population at n-month.
a) Find the value of r and M. Interpret your answers.
(Hint: Pn+1 = Pn + rPn (1-
(1-2),
where M is the carrying capacity)
b)
Given the initial fish population is 200. Find the population of the fish at P₁, P₂, and P3.
c)
Sketch the solution of this model. What will happen to the population after a long
time t.
d)
Find the equilibrium points of the given model and determine the solution's behaviour
near the equilibrium points.
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