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)e¯t of the heat equation U₁ = Uxx. Find the location of its maxima and minima in the rectangle Π {0≤ x ≤ 1, 0 ≤t≤T} 00} (explain your reasonings for every steps). U₁ = Uxxx>0 Ux(0,t) = 0 U(x, 0) = −1
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)e¯t of the heat equation U₁ = Uxx. Find the location of its maxima and minima in the rectangle Π {0≤ x ≤ 1, 0 ≤t≤T} 00} (explain your reasonings for every steps). U₁ = Uxxx>0 Ux(0,t) = 0 U(x, 0) = −1
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 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)e¯t of the heat equation U₁ = Uxx. Find the
location of its maxima and minima in the rectangle
Π
{0≤ x ≤ 1, 0 ≤t≤T}
0<t<T}
(c) Solve the following heat equation with boundary and initial condition on the half
line {x>0} (explain your reasonings for every steps).
U₁ = Uxxx>0
Ux(0,t) = 0
U(x, 0) = −1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff2437b9d-e2ad-49ef-bf1e-5f1a1e22adaa%2Ffdefbc24-bf55-43db-b8fe-ee8461a80b84%2F4ukw0a_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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)e¯t of the heat equation U₁ = Uxx. Find the
location of its maxima and minima in the rectangle
Π
{0≤ x ≤ 1, 0 ≤t≤T}
0<t<T}
(c) Solve the following heat equation with boundary and initial condition on the half
line {x>0} (explain your reasonings for every steps).
U₁ = Uxxx>0
Ux(0,t) = 0
U(x, 0) = −1
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