### Author Topic: WW7 - related to problem 7  (Read 3489 times)

#### Sarah Dunning

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##### WW7 - related to problem 7
« on: November 28, 2014, 12:36:27 PM »
What is a vertical (x-)nullcline equation and how do you find it?

What is a horizontal (y-)nullcline equation and how do you find it?

Using the nullclines how do you estimate trajectories in the phase plane?

#### Victor Ivrii

From context: $x'=0$ or $y'=0$ respectively.