Elementary Differential Equations
10th Edition
ISBN: 9780470458327
Author: William E. Boyce, Richard C. DiPrima
Publisher: Wiley, John & Sons, Incorporated
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Question
Chapter 7.5, Problem 7P
(a)
To determine
The general solution of the system of equation and describe the behavior of the solution as
(b)
To determine
To plot: The directional field and few trajectories of the given system of equation.
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Students have asked these similar questions
4. Consider Chebychev's equation
(1 - x²)y" - xy + λy = 0
with boundary conditions y(-1) = 0 and y(1) = 0, where X is a constant.
(a) Show that Chebychev's equation can be expressed in Sturm-Liouville form
d
· (py') + qy + Ary = 0,
dx
y(1) = 0, y(-1) = 0,
where p(x) = (1 = x²) 1/2, q(x) = 0 and r(x) = (1 − x²)-1/2
(b) Show that the eigenfunctions of the Sturm-Liouville equation are extremals of the
functional A[y], where
A[y]
=
I[y]
J[y]'
and I[y] and [y] are defined by
-
I [y] = √, (my² — qy²) dx
and
J[y] = [[", ry² dx.
Explain briefly how to use this to obtain estimates of the smallest eigenvalue >1.
1
(c) Let k > be a parameter. Explain why the functions y(x) = (1-x²) are suitable
4
trial functions for estimating the smallest eigenvalue. Show that the value of A[y]
for these trial functions is
4k2
A[y] =
=
4k - 1'
and use this to estimate the smallest eigenvalue \1.
Hint:
L₁ x²(1 − ²)³¹ dr =
1
(1 - x²)³ dx
(ẞ > 0).
2ẞ
You recieve a case of fresh Michigan cherries that weighs 8.2 kg. You will be making cherry pies. Each pie will require 1 3/4 pounds of pitted cherries. How many pies can be made from the case if the yield percent for cherries is 87
Q/ show that the system:
x = Y + x(x² + y²)
y° =
=x+y (x² + y²)
9
X=-x(x²+ y²)
9 X
Y° = x - y (x² + y²)
have the same lin car part at (0,0) but they are topologically
different. Give the reason.
Chapter 7 Solutions
Elementary Differential Equations
Ch. 7.1 - In each of Problems 1 through 4, transform the...Ch. 7.1 - Prob. 2PCh. 7.1 - Prob. 3PCh. 7.1 - In each of Problems 1 through 4, transform the...Ch. 7.1 - Prob. 5PCh. 7.1 - In each of Problems 5 and 6, transform the given...Ch. 7.1 - Systems of first order equations can sometimes be...Ch. 7.1 - Prob. 8PCh. 7.1 - Prob. 9PCh. 7.1 - In each of Problems 8 through 12, proceed as in...
Ch. 7.1 - Prob. 11PCh. 7.1 - Prob. 12PCh. 7.1 - Prob. 13PCh. 7.1 - Prob. 14PCh. 7.1 - Prob. 15PCh. 7.1 - Prob. 16PCh. 7.1 - Prob. 17PCh. 7.1 - Prob. 18PCh. 7.1 - Consider the circuit shown in Figure 7.1.2. Let...Ch. 7.1 - Prob. 20PCh. 7.1 - Prob. 21PCh. 7.1 - Prob. 22PCh. 7.1 - Prob. 23PCh. 7.2 - Prob. 1PCh. 7.2 - Prob. 2PCh. 7.2 - Prob. 3PCh. 7.2 - Prob. 4PCh. 7.2 - Prob. 5PCh. 7.2 - Prob. 6PCh. 7.2 - Prob. 7PCh. 7.2 - Prob. 8PCh. 7.2 - Prob. 9PCh. 7.2 - Prob. 10PCh. 7.2 - Prob. 11PCh. 7.2 - Prob. 12PCh. 7.2 - Prob. 13PCh. 7.2 - Prob. 14PCh. 7.2 - Prob. 15PCh. 7.2 - Prob. 16PCh. 7.2 - Prob. 17PCh. 7.2 - Prob. 18PCh. 7.2 - Prob. 19PCh. 7.2 - Prob. 20PCh. 7.2 - Prob. 21PCh. 7.2 - Prob. 22PCh. 7.2 - Prob. 23PCh. 7.2 - Prob. 24PCh. 7.2 - Prob. 25PCh. 7.2 - Prob. 26PCh. 7.3 - In each of Problems 1 through 6, either solve the...Ch. 7.3 - In each of Problems 1 through 6, either solve the...Ch. 7.3 - Prob. 3PCh. 7.3 - Prob. 4PCh. 7.3 - Prob. 5PCh. 7.3 - Prob. 6PCh. 7.3 - Prob. 7PCh. 7.3 - Prob. 8PCh. 7.3 - Prob. 9PCh. 7.3 - Prob. 10PCh. 7.3 - Prob. 11PCh. 7.3 - Prob. 12PCh. 7.3 - Prob. 13PCh. 7.3 - Prob. 14PCh. 7.3 - Prob. 15PCh. 7.3 - Prob. 16PCh. 7.3 - Prob. 17PCh. 7.3 - Prob. 18PCh. 7.3 - Prob. 19PCh. 7.3 - Prob. 20PCh. 7.3 - Prob. 21PCh. 7.3 - Prob. 22PCh. 7.3 - Prob. 23PCh. 7.3 - Prob. 24PCh. 7.3 - Prob. 25PCh. 7.3 - Prob. 26PCh. 7.3 - Prob. 27PCh. 7.3 - Prob. 28PCh. 7.3 - Prob. 29PCh. 7.3 - Prob. 31PCh. 7.3 - Prob. 32PCh. 7.3 - Prob. 33PCh. 7.3 - Prob. 34PCh. 7.4 - Prove the generalization of Theorem 7.4.1, as...Ch. 7.4 - Prob. 2PCh. 7.4 - Prob. 3PCh. 7.4 - Prob. 4PCh. 7.4 - Prob. 5PCh. 7.4 - Prob. 6PCh. 7.4 - Prob. 7PCh. 7.4 - Prob. 8PCh. 7.4 - Prob. 9PCh. 7.5 - In each of Problems 1 through 6:
Find the general...Ch. 7.5 - Prob. 2PCh. 7.5 - Prob. 3PCh. 7.5 - In each of Problems 1 through 6:
Find the general...Ch. 7.5 - Prob. 5PCh. 7.5 - Prob. 6PCh. 7.5 - Prob. 7PCh. 7.5 - Prob. 8PCh. 7.5 - Prob. 9PCh. 7.5 - Prob. 10PCh. 7.5 - Prob. 11PCh. 7.5 - Prob. 12PCh. 7.5 - Prob. 13PCh. 7.5 - In each of Problems 9 through 14, find the general...Ch. 7.5 - Prob. 15PCh. 7.5 - Prob. 16PCh. 7.5 - Prob. 17PCh. 7.5 - Prob. 18PCh. 7.5 - Prob. 19PCh. 7.5 - Prob. 20PCh. 7.5 - Prob. 21PCh. 7.5 - Prob. 22PCh. 7.5 - Prob. 23PCh. 7.5 - Prob. 24PCh. 7.5 - Prob. 25PCh. 7.5 - Prob. 26PCh. 7.5 - Prob. 27PCh. 7.5 - Prob. 28PCh. 7.5 - Prob. 29PCh. 7.5 - Prob. 30PCh. 7.5 - Prob. 31PCh. 7.5 - Prob. 32PCh. 7.5 - Prob. 33PCh. 7.6 - In each of Problems 1 through 6:
Express the...Ch. 7.6 - Prob. 2PCh. 7.6 - In each of Problems 1 through 6:
Express the...Ch. 7.6 - Prob. 4PCh. 7.6 - In each of Problems 1 through 6:
Express the...Ch. 7.6 - In each of Problems 1 through 6:
Express the...Ch. 7.6 - Prob. 7PCh. 7.6 - Prob. 8PCh. 7.6 - In each of Problems 9 and 10, find the solution of...Ch. 7.6 - Prob. 10PCh. 7.6 - Prob. 11PCh. 7.6 - Prob. 12PCh. 7.6 - Prob. 13PCh. 7.6 - Prob. 14PCh. 7.6 - Prob. 15PCh. 7.6 - Prob. 16PCh. 7.6 - Prob. 17PCh. 7.6 - Prob. 18PCh. 7.6 - Prob. 19PCh. 7.6 - Prob. 20PCh. 7.6 - Prob. 21PCh. 7.6 - Prob. 22PCh. 7.6 - Prob. 23PCh. 7.6 - Prob. 24PCh. 7.6 - Prob. 25PCh. 7.6 - Prob. 26PCh. 7.6 - Prob. 27PCh. 7.6 - Prob. 28PCh. 7.6 - Prob. 29PCh. 7.7 - In each of Problems 1 through 10:
Find a...Ch. 7.7 - Prob. 2PCh. 7.7 - Prob. 3PCh. 7.7 - Prob. 4PCh. 7.7 - Prob. 5PCh. 7.7 - Prob. 6PCh. 7.7 - Prob. 7PCh. 7.7 - Prob. 8PCh. 7.7 - Prob. 9PCh. 7.7 - Prob. 10PCh. 7.7 - Prob. 11PCh. 7.7 - Prob. 12PCh. 7.7 - Prob. 13PCh. 7.7 - Prob. 14PCh. 7.7 - Prob. 15PCh. 7.7 - Prob. 16PCh. 7.7 - Prob. 17PCh. 7.7 - Prob. 18PCh. 7.8 - Prob. 1PCh. 7.8 - Prob. 2PCh. 7.8 - Prob. 3PCh. 7.8 - Prob. 4PCh. 7.8 - Prob. 5PCh. 7.8 - Prob. 6PCh. 7.8 - Prob. 7PCh. 7.8 - Prob. 8PCh. 7.8 - Prob. 9PCh. 7.8 - Prob. 10PCh. 7.8 - Prob. 13PCh. 7.8 - Prob. 14PCh. 7.8 - Prob. 15PCh. 7.8 - Prob. 16PCh. 7.8 - Prob. 17PCh. 7.8 - Prob. 18PCh. 7.8 - Prob. 19PCh. 7.8 - Prob. 20PCh. 7.8 - Prob. 21PCh. 7.8 - Prob. 22PCh. 7.9 - Prob. 1PCh. 7.9 - In each of Problems 1 through 12 find the general...Ch. 7.9 - Prob. 3PCh. 7.9 - Prob. 4PCh. 7.9 - Prob. 5PCh. 7.9 - In each of Problems 1 through 12 find the general...Ch. 7.9 - Prob. 7PCh. 7.9 - Prob. 8PCh. 7.9 - Prob. 9PCh. 7.9 - Prob. 10PCh. 7.9 - In each of Problems 1 through 12 find the general...Ch. 7.9 - Prob. 12PCh. 7.9 - Prob. 13PCh. 7.9 - Prob. 14PCh. 7.9 - Prob. 15PCh. 7.9 - Prob. 16PCh. 7.9 - Prob. 17PCh. 7.9 - Prob. 18P
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