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In: Advanced Math

A vector y  =  [R(t)  F(t)]T describes the populations of some rabbits R(t) and foxes F(t). The...

A vector y  =  [R(t)  F(t)]T describes the populations of some rabbits R(t) and foxes F(t). The populations obey the system of differential equations given by y′  =  Ay where

A  = 
146 −1656
12 −136


The rabbit population begins at 84000. If we want the rabbit population to grow as a simple exponential of the form R(t)  =  R0e8t  with no other terms, how many foxes are needed at time t  =  0?
(Note that the eigenvalues of A are λ  = 8 and 2.)

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