dw dr w - wr, and -r+ rw. dt dt (a) What are the (non-zero) nullclines for this system? w = r = (b) Your nullclines divide the phase plane into four regions. Give a sample point in each region, and indicate for that point whether each of the populations is increasing or decreasing (by entering the word increasing or decreasing appropriate blank): (i) (w, r) =(| ) is in one region, where the population of worms, w is and the population of robins, r is (ii) (w, r) =( ) is in a second region, where the population of worms, w is and the population of robins, r is ||
dw dr w - wr, and -r+ rw. dt dt (a) What are the (non-zero) nullclines for this system? w = r = (b) Your nullclines divide the phase plane into four regions. Give a sample point in each region, and indicate for that point whether each of the populations is increasing or decreasing (by entering the word increasing or decreasing appropriate blank): (i) (w, r) =(| ) is in one region, where the population of worms, w is and the population of robins, r is (ii) (w, r) =( ) is in a second region, where the population of worms, w is and the population of robins, r is ||
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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