Tool:
Predator Prey 
Screenshot:

Go to: 
http://cauchy.math.colostate.edu/.../predatorprey.htm
(opens a new window)

Description: 
This applet demonstrates a predatorprey growth model for the number of Foxes and Rabbits in a region given user input for the initial populations F_0 and R_0 and the Growth Rate for the Rabbit population. The difference equations used are: R_(i+1) = R_i + G*(1  R_i / 500)*R_i  .0001*R_i * F_i and F_(i+1) = F_i + .0001*R_i * F_i  .02 * F_i. 
Technology Type: 
Java Applet  
Author: 
Dave Zachmann 
Language: 
English  
Cost: 
Does not require payment for use 

Average Rating: 
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Tool: 
Population Dynamics in Central Park 
Courses: 
Discrete Math 
Applications, Recurrence relations 


Draco18s 
Comment:  Well made tool, it graphs "slowly" as the change is minor from one day to the next as it gets farther from the initial, but that's expected. Also, don't alttab waiting for it, it'll clear the graph. 
