Differential Equations and Linear Algebra (4th Edition)
4th Edition
ISBN: 9780321964670
Author: Stephen W. Goode, Scott A. Annin
Publisher: PEARSON
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Question
Chapter 9.10, Problem 18P
To determine
To sketch:
The phase portrait of the system for
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In Example 1 we used Lotka-Volterra equations to model populations of rabbits and wolves. Let's modify those equations as follows:
0.09R(1 – 0.0001R)5 0.003RW
dt
MP
= -0.01W +0.00001RW
dt
Find all of the equilibrium solutions.
Enter your answer as a list of ordered pairs (R, W), where Ris the number of rabbits and W the number of wolves. For example, ir you found three equilibrium
solutions, one with 100 rabbits and 10 wolves, one with 200 rabbits and 20 wolves, and one with 300 rabbits and 30 wolves, you would enter
(100, 10), (200, 20), (300, 30). Do not round tractional answers to the nearest integer.
Answer (0.0)(10000,0)8(2000,36)
In Example 1 we used Lotka-Volterra equations to model populations of rabbits and wolves. Let's
modify those equations as follows:
dR
= 0.1R(1 – 0.0001R) – 0.003RW
dt
dW
-0.01W + 0.00004RW
dt
Find all of the equilibrium solutions.
Enter your answer as a list of ordered pairs (R, W), where Ris the number of rabbits and W the
number of wolves. For example, if you found three equilibrium solutions, one with 100 rabbits and 10
wolves, one with 200 rabbits and 20 wolves, and one with 300 rabbits and 30 wolves, you would
enter (100, 10), (200, 20), (300, 30). Do not round fractional answers to the nearest integer.
Answer =|
5. For each linear system given, classify the critical (equilibrium) point (0,0) and use this information to match to the
phase portrait.
Classification
Phase Portrait
Linear System
=
-x+3y
-3x - 5y
2r+24
x+y
-2x + 3y
-3x + 2y
-4x+y
x + 2y
(d)
318
dt
=
=
=
(III)
H
(II)
(IV)
MUTT
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Chapter 9 Solutions
Differential Equations and Linear Algebra (4th Edition)
Ch. 9.1 - For Question a-j, decide if the given statement is...Ch. 9.1 - For Question a-j, decide if the given statement is...Ch. 9.1 - For Question a-j, decide if the given statement is...Ch. 9.1 - For Question a-j, decide if the given statement is...Ch. 9.1 - Prob. 5TFRCh. 9.1 - For Question a-j, decide if the given statement is...Ch. 9.1 - Prob. 7TFRCh. 9.1 - For Question a-j, decide if the given statement is...Ch. 9.1 - Prob. 9TFRCh. 9.1 - Prob. 10TFR
Ch. 9.1 - Problems For problems 1-8, solve the given system...Ch. 9.1 - Problems For problems 1-8, solve the given system...Ch. 9.1 - Problems For problems 1-8, solve the given system...Ch. 9.1 - Prob. 4PCh. 9.1 - Problems For problems 1-8, solve the given system...Ch. 9.1 - Prob. 6PCh. 9.1 - Problems For problems 1-8, solve the given system...Ch. 9.1 - Problems For problems 1-8, solve the given system...Ch. 9.1 - Problems For Problems 9-11, solve the given...Ch. 9.1 - Problems For Problem 9-11, solve the given...Ch. 9.1 - Problems For Problem 9-11, solve the given...Ch. 9.1 - Problems For Problems 12-14, solve the given...Ch. 9.1 - Problems For Problems 12-14, solve the given...Ch. 9.1 - Prob. 14PCh. 9.1 - Problems For Problem 15-16, convert the given...Ch. 9.1 - Problems For Problem 15-16, convert the given...Ch. 9.1 - Prob. 17PCh. 9.1 - For Problems 17-19, convert the given linear...Ch. 9.1 - Prob. 19PCh. 9.1 - Prob. 20PCh. 9.1 - Solve the initial-value problem:...Ch. 9.2 - Prob. 1TFRCh. 9.2 - True-False Review For Questions a-g, decide if the...Ch. 9.2 - Prob. 3TFRCh. 9.2 - True-False Review For Questions a-g, decide if the...Ch. 9.2 - Prob. 5TFRCh. 9.2 - Prob. 6TFRCh. 9.2 - Prob. 7TFRCh. 9.2 - Problems
For Problems 1-5, show that the given...Ch. 9.2 - Problems
For Problems 1-5, show that the given...Ch. 9.2 - Problems
For Problems 1-5, show that the given...Ch. 9.2 - Problems
For Problems 1-5, show that the given...Ch. 9.2 - Problems
For Problems 1-5, show that the given...Ch. 9.2 - Problems
For Problems 6-9, show that the given...Ch. 9.2 - Problems
For Problems 6-9, show that the given...Ch. 9.2 - Problems
For Problems 6-9, show that the given...Ch. 9.2 - Problems
For Problems 6-9, show that the given...Ch. 9.2 - Prove that Vn(I) is a vector space.Ch. 9.2 - Problems
Let A(t) be an nn matrix function....Ch. 9.2 - If A=[2413], determine two linearly independent...Ch. 9.2 - Consider the differential equation...Ch. 9.3 - True-False Review For Questions a-d, decide if the...Ch. 9.3 - Prob. 2TFRCh. 9.3 - Prob. 3TFRCh. 9.3 - Prob. 4TFRCh. 9.3 - For Problems 1-7, show that the given functions...Ch. 9.3 - For Problems 1-7, show that the given functions...Ch. 9.3 - For Problems 17, show that the given function are...Ch. 9.3 - For Problems 1-7, show that the given functions...Ch. 9.3 - For Problems 1-7, show that the given functions...Ch. 9.3 - For Problems 1-7, show that the given functions...Ch. 9.3 - For Problems 1-7, show that the given functions...Ch. 9.3 - Prob. 8PCh. 9.3 - Prob. 9PCh. 9.4 - For Problems 116, determine the general solution...Ch. 9.4 - For Problems 116, determine the general solution...Ch. 9.4 - For Problems 116, determine the general solution...Ch. 9.4 - For Problems 116, determine the general solution...Ch. 9.4 - For Problems 116, determine the general solution...Ch. 9.4 - For Problems 116, determine the general solution...Ch. 9.4 - For Problems 116, determine the general solution...Ch. 9.4 - For Problems 116, determine the general solution...Ch. 9.4 - For Problems 116, determine the general solution...Ch. 9.4 - For Problems 116, determine the general solution...Ch. 9.4 - For Problems 1-16, determine the general solution...Ch. 9.4 - For Problems 1-16, determine the general solution...Ch. 9.4 - For Problems 1-16, determine the general solution...Ch. 9.4 - For Problems 1-16, determine the general solution...Ch. 9.4 - For Problems 1-16, determine the general solution...Ch. 9.4 - For Problems 1719, solve the initial-value problem...Ch. 9.4 - Prob. 18PCh. 9.4 - For Problems 1719, solve the initial-value problem...Ch. 9.4 - Prob. 20PCh. 9.4 - Consider the differential equation...Ch. 9.4 - Prob. 22PCh. 9.4 - Prob. 23PCh. 9.4 - Let A be a 22 nondefective matrix. If every...Ch. 9.4 - Prob. 25PCh. 9.4 - Prob. 26PCh. 9.4 - Prob. 27PCh. 9.4 - The motion of a certain physical system is...Ch. 9.5 - True-False Review For Questions a-d, decide if the...Ch. 9.5 - Prob. 2TFRCh. 9.5 - True-False Review For Questions a-d, decide if the...Ch. 9.5 - Prob. 4TFRCh. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - For Problem 114, determine the general solution to...Ch. 9.5 - Prob. 12PCh. 9.5 - Prob. 14PCh. 9.5 - For Problem 1516, solve the initial-value problem....Ch. 9.5 - For Problem 1516, solve the initial-value problem....Ch. 9.5 - Show that if the vector differential equation x=Ax...Ch. 9.5 - Prob. 18PCh. 9.5 - Prob. 19PCh. 9.5 - Prob. 20PCh. 9.6 - True-False Review For Questions (a)(f), decide if...Ch. 9.6 - Prob. 2TFRCh. 9.6 - Prob. 3TFRCh. 9.6 - Prob. 4TFRCh. 9.6 - True-False Review For Questions (a)(f), decide if...Ch. 9.6 - Prob. 6TFRCh. 9.6 - Problems For Problems 19, use the variation of...Ch. 9.6 - Problems For Problems 19, use the variation of...Ch. 9.6 - Problems For Problems 19, use the variation of...Ch. 9.6 - Problems For Problems 19, use the variation of...Ch. 9.6 - Problems For Problems 19, use the variation of...Ch. 9.6 - Problems For Problems 19, use the variation of...Ch. 9.6 - Problems For Problems 19, use the variation of...Ch. 9.6 - Problems For Problems 19, use the variation of...Ch. 9.6 - Problems Let X(t) be a fundamental matric for the...Ch. 9.6 - Problems Consider the nonhomogeneous system...Ch. 9.7 - True-False Review For Questions a-e, decide if the...Ch. 9.7 - Prob. 2TFRCh. 9.7 - True-False Review For Questions a-e, decide if the...Ch. 9.7 - Prob. 4TFRCh. 9.7 - True-False Review For Questions a-e, decide if the...Ch. 9.7 - Derive the eigenvalues and eigenvectors given in...Ch. 9.7 - Prob. 2PCh. 9.7 - Prob. 3PCh. 9.7 - Determine the general motion of the coupled...Ch. 9.7 - Prob. 5PCh. 9.7 - Prob. 6PCh. 9.7 - Prob. 7PCh. 9.7 - Prob. 8PCh. 9.7 - Prob. 9PCh. 9.7 - Prob. 11PCh. 9.8 - Prob. 1TFRCh. 9.8 - Prob. 2TFRCh. 9.8 - Prob. 3TFRCh. 9.8 - Prob. 4TFRCh. 9.8 - Prob. 5TFRCh. 9.8 - Prob. 6TFRCh. 9.8 - Prob. 1PCh. 9.8 - Prob. 2PCh. 9.8 - Prob. 3PCh. 9.8 - Prob. 4PCh. 9.8 - Prob. 5PCh. 9.8 - Prob. 8PCh. 9.8 - Prob. 9PCh. 9.8 - Prob. 10PCh. 9.8 - Prob. 11PCh. 9.9 - True-False Review For Questions a-f, decide if the...Ch. 9.9 - True-False Review For Questions a-f, decide if the...Ch. 9.9 - Prob. 3TFRCh. 9.9 - Prob. 4TFRCh. 9.9 - Prob. 5TFRCh. 9.9 - Prob. 6TFRCh. 9.9 - Prob. 1PCh. 9.9 - Prob. 2PCh. 9.9 - Prob. 3PCh. 9.9 - Prob. 4PCh. 9.9 - Prob. 5PCh. 9.9 - Prob. 6PCh. 9.9 - Prob. 7PCh. 9.9 - Prob. 8PCh. 9.9 - For Problems 5-20, characterize the equilibrium...Ch. 9.9 - Prob. 10PCh. 9.9 - Prob. 11PCh. 9.9 - Prob. 12PCh. 9.9 - Prob. 13PCh. 9.9 - Prob. 14PCh. 9.9 - For Problems 5-20, characterize the equilibrium...Ch. 9.9 - Prob. 16PCh. 9.9 - For Problems 5-20, characterize the equilibrium...Ch. 9.9 - For Problems 5-20, characterize the equilibrium...Ch. 9.9 - For Problems 5-20, characterize the equilibrium...Ch. 9.9 - Prob. 20PCh. 9.9 - Prob. 21PCh. 9.9 - Prob. 22PCh. 9.9 - For Problems 22-25, convert the given differential...Ch. 9.9 - Prob. 26PCh. 9.9 - Prob. 27PCh. 9.10 - For Questions a-e, decide if the given statement...Ch. 9.10 - Prob. 1PCh. 9.10 - Prob. 2PCh. 9.10 - Prob. 3PCh. 9.10 - Problems For Problems 1-9, determine all...Ch. 9.10 - Problems For Problems 1-9, determine all...Ch. 9.10 - Problems For Problems 1-9, determine all...Ch. 9.10 - Prob. 7PCh. 9.10 - Prob. 8PCh. 9.10 - Prob. 9PCh. 9.10 - Prob. 10PCh. 9.10 - Prob. 11PCh. 9.10 - Prob. 12PCh. 9.10 - Prob. 13PCh. 9.10 - Prob. 14PCh. 9.10 - Prob. 15PCh. 9.10 - Prob. 16PCh. 9.10 - Problem For Problems 13-18, sketch the phase...Ch. 9.10 - Prob. 18PCh. 9.10 - Prob. 19PCh. 9.10 - Prob. 20PCh. 9.10 - Problems Consider the differential equation...Ch. 9.11 - Additional Problems Verify that x1(t)=[et2t1] and...Ch. 9.11 - Prob. 2APCh. 9.11 - Prob. 3APCh. 9.11 - Prob. 4APCh. 9.11 - Prob. 5APCh. 9.11 - Prob. 6APCh. 9.11 - Prob. 7APCh. 9.11 - Prob. 8APCh. 9.11 - Additional Problems For Problems 3-24, determine...Ch. 9.11 - ADDITIONAL PROBLEMS For Problems 3-24, determine...Ch. 9.11 - Prob. 11APCh. 9.11 - Prob. 12APCh. 9.11 - Prob. 13APCh. 9.11 - Prob. 14APCh. 9.11 - For Problems 324, determine the general solution...Ch. 9.11 - Prob. 16APCh. 9.11 - Prob. 17APCh. 9.11 - Prob. 18APCh. 9.11 - Prob. 19APCh. 9.11 - Prob. 20APCh. 9.11 - Prob. 21APCh. 9.11 - Prob. 22APCh. 9.11 - Prob. 23APCh. 9.11 - Prob. 24APCh. 9.11 - Prob. 25APCh. 9.11 - For Problems 2529, use the variation-of-parameters...Ch. 9.11 - For Problems 2529, use the variation-of-parameters...Ch. 9.11 - Prob. 28APCh. 9.11 - Prob. 29APCh. 9.11 - True or False: If X(t) is a fundamental matrix for...Ch. 9.11 - Prob. 31APCh. 9.11 - Prob. 32APCh. 9.11 - Consider the differential equation...Ch. 9.11 - Prob. 34APCh. 9.11 - For Problems 34-41, characterize the equilibrium...Ch. 9.11 - Prob. 36APCh. 9.11 - Prob. 37APCh. 9.11 - Prob. 38APCh. 9.11 - Prob. 39APCh. 9.11 - Prob. 40APCh. 9.11 - Prob. 41APCh. 9.11 - Prob. 42APCh. 9.11 - Prob. 43AP
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- In Example 1 we used Lotka-Volterra equations to model populations of rabbits and wolves. Let's modify those equations as follows: dR 0.09R(1 0.0001R) - 0.002RW dt dW = = -0.02W+0.00001RW dt Find all of the equilibrium solutions. Enter your answer as a list of ordered pairs (R, W), where R is the number of rabbits and W the number of wolves. For example, if you found three equilibri solutions, one with 100 rabbits and 10 wolves, one with 200 rabbits and 20 wolves, and one with 300 rabbits and 30 wolves, you would enter (100, 10), (200, 20), (300, 30). Do not round fractional answers to the nearest integer. Answer = (0,0)arrow_forward8. Find and classify the equilibrium points of the following equations: (9 +x – 3y)x (-8+4x – y)y Discuss the stability of each equilibrium point.arrow_forward2. Find the general solutions of the system = 13 20. Sketch its phase portrait and identify the type of the equilibriumarrow_forward
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