Consider the following four nonlinear dynamic systems: a- *1 = x2, x2 = -x2 – sin (x1) b- X1 = x2, i2 = (1 – x})x2 – x1 C- i, = x2, X, = -x, + d- *1 = x2, X2 = -x1 + 2 Match each of the systems (i)-(iv) with a phase portrait (a)-(d) below. Each pair needs to be individually motivated.

Consider the following four nonlinear dynamic systems: a- 1 = x2, x2 = -x2 – sin (x1) b- X1 = x2, i2 = (1 – x})x2 – x1 C- i, = x2, X, = -x, + d- 1 = x2, X2 = -x1 + 2 Match each of the systems (i)-(iv) with a phase portrait (a)-(d) below. Each pair needs to be individually motivated.

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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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.

Question

Consider the following four nonlinear dynamic systems:
a-
X1 = x2, X2 = -x2 – sin (x)
b-
*1 = x2, *2 = (1 – x})x2 – x1
C-
x = x2, x2 = -x, +
d-
X1 = X2, X2 = -x1 + 2
Match each of the systems (i)-(iv) with a phase portrait (a)-(d) below.
Each pair needs to be individually motivated.

Phese plane
Plase plane
a)
b)
08
04
02
oF
-02-
-2
-04-
-3
-06-
-5
-1
-1
0.5
0.5
x1
x1
Phase plane
Plese plane
d)
-2-
-4
c)
10
3
x1
x1

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