Logistic model

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Homework Statement



logistic equation: dN/dt = rN(1-N/K)

Find estimates for the unknown parameters r and K.


The Attempt at a Solution



I have solved the logistic model to get N(t) and I have a table of data which lists time and corresponding N values. I tried to just choose 2 times and 2 corresponding N values to form two equations to solve for r and K. But when I do this I get everything cancelling out!

Is there another way??
 

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