Fundamentals of Differential Equations and Boundary Value Problems
7th Edition
ISBN: 9780321977106
Author: Nagle, R. Kent
Publisher: Pearson Education, Limited
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Chapter 11.RP, Problem 9RP
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Could you please solve this question on a note book. please dont use AI because this is the third time i upload it and they send an AI answer. If you cant solve handwritten dont use the question send it back. Thank you.
(b) Consider the equation Ux - 2Ut
=
-3.
(i) Find the characteristics of this equation.
(ii) Find the general solutions of this equation.
(iii) Solve the following initial value problem for this equation
Ux - 2U₁ = −3
U(x, 0) = 0.
Question 4
(a) Find all possible values of a, b such that [sin(ax)]ebt solves the heat equation
U₁ = Uxx, x > 0.
(b) Consider the solution U(x,t) = (sin x)et of the heat equation U₁ = Uxx. Find the
location of its maxima and minima in the rectangle
πT
{0≤ x ≤½,0≤ t≤T}
2'
(c) Solve the following heat equation with boundary and initial condition on the half
line {x>0} (explain your reasonings for every steps).
Ut
=
Uxx, x > 0
Ux(0,t) = 0
U(x, 0) =
= =1
[4]
[6]
[10]
Chapter 11 Solutions
Fundamentals of Differential Equations and Boundary Value Problems
Ch. 11.2 - In Problems 1-12, determine the solutions, if any,...Ch. 11.2 - In Problems 1-12, determine the solutions, if any,...Ch. 11.2 - Prob. 3ECh. 11.2 - In Problems 1-12, determine the solutions, if any,...Ch. 11.2 - In Problems 1-12, determine the solutions, if any,...Ch. 11.2 - In Problems 1-12, determine the solutions, if any,...Ch. 11.2 - Prob. 7ECh. 11.2 - In Problems 1-12, determine the solutions, if any,...Ch. 11.2 - Prob. 9ECh. 11.2 - In Problems 1-12, determine the solutions, if any,...
Ch. 11.2 - Prob. 11ECh. 11.2 - In Problems 1-12, determine the solutions, if any,...Ch. 11.2 - Prob. 13ECh. 11.2 - In Problems 13-20, find all the real eigenvalues...Ch. 11.2 - In Problems 13-20, find all the real eigenvalues...Ch. 11.2 - Prob. 16ECh. 11.2 - In Problems 13-20, find all the real eigenvalues...Ch. 11.2 - In Problems 13-20, find all the real eigenvalues...Ch. 11.2 - In Problems 13-20, find all the real eigenvalues...Ch. 11.2 - In Problems 13-20, find all the real eigenvalues...Ch. 11.2 - In Problems 23-26, find all the real values of ...Ch. 11.2 - In Problems 23-26, find all the real values of ...Ch. 11.2 - In Problems 23-26, find all the real values of ...Ch. 11.2 - In Problems 23-26, find all the real values of ...Ch. 11.3 - In Problem 1-6, convert the given equation into...Ch. 11.3 - In Problem 1-6, convert the given equation into...Ch. 11.3 - Prob. 3ECh. 11.3 - In Problem 1-6, convert the given equation into...Ch. 11.3 - Prob. 5ECh. 11.3 - In Problems 1-6, convert the given equation into...Ch. 11.3 - Prob. 7ECh. 11.3 - In problem 7-11, determine whether the given...Ch. 11.3 - In problem 7-11, determine whether the given...Ch. 11.3 - Prob. 10ECh. 11.3 - Prob. 11ECh. 11.3 - Prob. 12ECh. 11.3 - Let be an eigenvalue and a corresponding...Ch. 11.3 - Prob. 15ECh. 11.3 - Show that if =u+iv is an eigenfunction...Ch. 11.3 - In Problems 17 -24, a determine the normalized...Ch. 11.3 - In Problems 17 -24, a determine the normalized...Ch. 11.3 - In Problems 17 -24, a determine the normalized...Ch. 11.3 - In Problems 17 -24, a determine the normalized...Ch. 11.3 - In Problems 17 -24, a determine the normalized...Ch. 11.3 - In Problems 17 -24, a determine the normalized...Ch. 11.3 - Prob. 25ECh. 11.3 - Prove that the linear differential operator...Ch. 11.4 - Prob. 1ECh. 11.4 - Prob. 2ECh. 11.4 - Prob. 3ECh. 11.4 - Prob. 4ECh. 11.4 - Prob. 5ECh. 11.4 - Prob. 6ECh. 11.4 - In Problems 7-10, find theadjointoperator and its...Ch. 11.4 - Prob. 8ECh. 11.4 - Prob. 9ECh. 11.4 - In Problems 7-10, find the adjoint operator and...Ch. 11.4 - Prob. 11ECh. 11.4 - Prob. 12ECh. 11.4 - Prob. 13ECh. 11.4 - Prob. 14ECh. 11.4 - Prob. 15ECh. 11.4 - Prob. 16ECh. 11.4 - Prob. 17ECh. 11.4 - Prob. 18ECh. 11.4 - Prob. 19ECh. 11.4 - Prob. 20ECh. 11.4 - Prob. 21ECh. 11.4 - Prob. 22ECh. 11.4 - Prob. 23ECh. 11.4 - Prob. 24ECh. 11.4 - Prob. 25ECh. 11.4 - Prob. 26ECh. 11.4 - Prob. 27ECh. 11.4 - Prob. 28ECh. 11.4 - Prob. 29ECh. 11.5 - Prob. 1ECh. 11.5 - In Problems 1-8, find a formal eigenfunction...Ch. 11.5 - Prob. 3ECh. 11.5 - In Problems 1-8, find a formal eigenfunction...Ch. 11.5 - Prob. 5ECh. 11.5 - Prob. 6ECh. 11.5 - Prob. 7ECh. 11.5 - Prob. 8ECh. 11.5 - In Problem 9-14, find a formal eigenfunction...Ch. 11.5 - In Problem 9-14, find a formal eigenfunction...Ch. 11.5 - Prob. 11ECh. 11.5 - Prob. 12ECh. 11.5 - In Problem 9-14, find a formal eigenfunction...Ch. 11.5 - Derive the solution to Problem 12 given in...Ch. 11.6 - Prob. 1ECh. 11.6 - Prob. 2ECh. 11.6 - Prob. 3ECh. 11.6 - Prob. 4ECh. 11.6 - Prob. 5ECh. 11.6 - In Problems 1-10, find the Greens function G(x,s)...Ch. 11.6 - Prob. 7ECh. 11.6 - Prob. 8ECh. 11.6 - Prob. 9ECh. 11.6 - Prob. 10ECh. 11.6 - In problems 11 -20, use Greens functions to solve...Ch. 11.6 - In problems 11 -20, use Greens functions to solve...Ch. 11.6 - In Problems 11-20, use Greens functions to solve...Ch. 11.6 - In Problems 11-20, use Greens functions to solve...Ch. 11.6 - In Problems 11-20, use Greens functions to solve...Ch. 11.6 - In Problems 11-20, use Greens functions to solve...Ch. 11.6 - In Problems 11-20, use Greens functions to solve...Ch. 11.6 - Derive a formula using a Greens function for the...Ch. 11.6 - Prob. 22ECh. 11.6 - Prob. 23ECh. 11.6 - Prob. 24ECh. 11.6 - Prob. 25ECh. 11.6 - Prob. 26ECh. 11.6 - Prob. 31ECh. 11.7 - Prob. 2ECh. 11.7 - Prob. 3ECh. 11.7 - Prob. 4ECh. 11.7 - Prob. 5ECh. 11.7 - Prob. 6ECh. 11.7 - Prob. 8ECh. 11.7 - Prob. 9ECh. 11.7 - Prob. 10ECh. 11.7 - Prob. 11ECh. 11.7 - Prob. 12ECh. 11.7 - Show that the only eigenfunctions of 23-24...Ch. 11.7 - a. Use formula 25 to show that Pn(x) is an odd...Ch. 11.7 - Prob. 16ECh. 11.8 - Prob. 1ECh. 11.8 - Prob. 2ECh. 11.8 - Prob. 3ECh. 11.8 - Can the function (x)=x4sin(1/x) be a solution on...Ch. 11.8 - Prob. 6ECh. 11.8 - Prob. 7ECh. 11.8 - Prob. 8ECh. 11.8 - Prob. 9ECh. 11.8 - Prob. 10ECh. 11.8 - Prob. 11ECh. 11.8 - In equation (10), assume Q(x)m2 on [a,b]. Prove...Ch. 11.8 - Prob. 13ECh. 11.8 - Show that if Q(x)m20 on [a,), then every solution...Ch. 11.RP - Find all the real eigen-values and eigen-functions...Ch. 11.RP - Prob. 2RPCh. 11.RP - a. Determine the eigenfunctions, which are...Ch. 11.RP - Prob. 4RPCh. 11.RP - Use the Fredholm alternative to determine...Ch. 11.RP - Find the formal eigenfunction expansion for the...Ch. 11.RP - Find the Greens function G(x,s) and use it to...Ch. 11.RP - Find a formal eigenfunction expansion for the...Ch. 11.RP - Let (x) be a nontrivial solution to...Ch. 11.RP - Use Corollary 5 in Section 11.8 to estimate the...
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