Sketch typical solution curves in the regions in the xy-plane determined by the graphs of the equilibrium solutions. y 4 6 -6 -4 -2 2 -6 -4 -2 -2 -2 2 2 4 6 x 2

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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Question
Sketch typical solution curves in the regions in the xy-plane determined by the graphs of the equilibrium solutions.
y
X
4
-2
4
-6
-4
-2
2
O
-4
-2
y
2
2
4
6
6
x
O
-6
-4
-2
y
6
2
X
Transcribed Image Text:Sketch typical solution curves in the regions in the xy-plane determined by the graphs of the equilibrium solutions. y X 4 -2 4 -6 -4 -2 2 O -4 -2 y 2 2 4 6 6 x O -6 -4 -2 y 6 2 X
Consider the following autonomous first-order differential equation.
dy = y²(9- y²)
dx
Find the critical points and phase portrait of the given differential equation.
6
3
3
0
0
0
0
-6
-6
Classify each critical point as asymptotically stable, unstable, or semi-stable. (List the critical points according to their stability. Enter your answers as a comma-separated list. If there are no critical points in a certain category, enter NONE.)
asymptotically stable
unstable
semi-stable
Transcribed Image Text:Consider the following autonomous first-order differential equation. dy = y²(9- y²) dx Find the critical points and phase portrait of the given differential equation. 6 3 3 0 0 0 0 -6 -6 Classify each critical point as asymptotically stable, unstable, or semi-stable. (List the critical points according to their stability. Enter your answers as a comma-separated list. If there are no critical points in a certain category, enter NONE.) asymptotically stable unstable semi-stable
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