Suppose that a small library has an inventory of books Bn, where
Bn is the number of books the nth year. Due to wear and tear and
lost books, the library loses 10% of its books every year. However,
with library fines the library is able to purchase 50 books a
year.
a. Write down a dynamical system describing the number of books per
year. Assume an unspecified initial condition B0=B0.
b. What is the long-term behavior (fixed point) for the number of
books over time?
2. In a hypothetical scenario, hawks have recently expanded their
territory to overlap with that of the owls in a national park. Due
to the migration of the hawks from a larger region, the population
of hawks in the park increases steadily by 50 hawks a year. The
hawks are not negatively affected by the owls and do not appear to
be nesting in the park, so that their population is not growing
other than the steady migration. Before the arrival of the hawks,
the owls had a positive birth rate described by ?1 = 0.2. The
activists estimate that the negative affect of the hawks on the
owls is ?3 = 0.001. Write down a dynamical system describing this
scenario for the number of owls Wn and hawks Hn in the park over
time.
1) a)
That is is the dynamical system with is the initial amount
Fixed point is means is the final stable number of books
2) is the required dynamical system
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