plotting Phase-Plane Portraits

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Tina
Tina 2013년 1월 28일
댓글: tsen chung jui 2022년 3월 24일
Hi everyone!
How can I plot phase-plane portraits of a nonlinear system?
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JEAN-CLAUDE boleme
JEAN-CLAUDE boleme 2021년 4월 11일
I NEED HELP WITH QUESTION 3 AND QUESTION 4 REGARDING MATLAB CODES

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답변(3개)

Shashank Prasanna
Shashank Prasanna 2013년 1월 28일
MATLAB offers several plotting routines. The "quiver" function may be ideal to plot phase-plane portraits. I found an interesting link that has some code and discussion on this topic. You can start here and build up:
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tsen chung jui
tsen chung jui 2022년 3월 24일
thanks for help !

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Brian Hong
Brian Hong 2022년 1월 26일
편집: Brian Hong 2022년 1월 26일
There are also app solutions for this problem. For example pplane, which I used in undergrad (almost 10 years ago now). We also created a new app for analyzing the phase plane, you can find it here.

Dan Girma
Dan Girma 2015년 10월 21일
xdot = -y, ydot = -x sketch the vector field.

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