Why is u(x,t)=x(x)t(t). Isn't v(x,t)=x(x)t(t). Can you please explain it to me

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
icon
Related questions
Topic Video
Question

Why is u(x,t)=x(x)t(t). Isn't v(x,t)=x(x)t(t). Can you please explain it to me. Thank you.

10:47 AM Mon May 3
* 8% I
>
AA
bartleby.com
+
Gmail
Solve the bo...
G
Google
N The Real Rea...
Derek Chauv...
= bartleby
Q Search for textbooks, step-by-step explanatio...
Ask an Expert
Math / Bundle: Differential Equations with Boundary-Value Probl... / Solve the boundary-value problem k d 2 u d x 2 = d u ...
: Solve the boundary-value problem k a 2 u d x 2 = du dt, 0 < x < 1 , t > 0 u ( 0 ,...
Get live help whenever you need from online tutors! Try bartleby tutor today >
- ( + w')- = -h[v(1,t) + y (1) – uo]
x=1
The above expression will be homogeneous if -w' (1) = –hự (1) + huo.
Since the value of y (1) = y' (1) is c1 , substitute c¡ for y' (1) in equation –µ' (1) = -hự (1) + huo.
-cj =
—hсi + huo
-c1 + hc1 = huo
huo
C1 =
h-1
huo
Substitute
for c1 in equation w (x) = c1X.
h-1
huo
y (x)
h-1
dv
dt
0 <x < 1, t> 0,
v (0, t) = 0, = -hv (1, t) , h > 0, t> 0 and v (x, 0) = f (x) –
The new boundary- value problem is k-
dx²
huo
-x, 0 <x < 1.
h-1
V
dx [x=1
The equation is given below:
ди
0 < x < 1, t> 0
(1)
dx2
dt
Consider u (x, t) is X (x) T (t).
Substitute X (x) T (t) for u (x, t) in equation (1).
(X (x) T (t)) =- (X (x) T (t))
dx2
dt
kX" (x) T (t) = X (x) T' (t)
X" (х)
k-
X(x)
T'(1)
T(t)
X" (х)
Consider k-
X(x)
T'(1)
as –1.
T(t)
Therefore, the equation is reduced as follows:
X GET 10 FREE QUESTIONS
+λ=0
X(x)
Transcribed Image Text:10:47 AM Mon May 3 * 8% I > AA bartleby.com + Gmail Solve the bo... G Google N The Real Rea... Derek Chauv... = bartleby Q Search for textbooks, step-by-step explanatio... Ask an Expert Math / Bundle: Differential Equations with Boundary-Value Probl... / Solve the boundary-value problem k d 2 u d x 2 = d u ... : Solve the boundary-value problem k a 2 u d x 2 = du dt, 0 &lt; x &lt; 1 , t &gt; 0 u ( 0 ,... Get live help whenever you need from online tutors! Try bartleby tutor today > - ( + w')- = -h[v(1,t) + y (1) – uo] x=1 The above expression will be homogeneous if -w' (1) = –hự (1) + huo. Since the value of y (1) = y' (1) is c1 , substitute c¡ for y' (1) in equation –µ' (1) = -hự (1) + huo. -cj = —hсi + huo -c1 + hc1 = huo huo C1 = h-1 huo Substitute for c1 in equation w (x) = c1X. h-1 huo y (x) h-1 dv dt 0 <x < 1, t> 0, v (0, t) = 0, = -hv (1, t) , h > 0, t> 0 and v (x, 0) = f (x) – The new boundary- value problem is k- dx² huo -x, 0 <x < 1. h-1 V dx [x=1 The equation is given below: ди 0 < x < 1, t> 0 (1) dx2 dt Consider u (x, t) is X (x) T (t). Substitute X (x) T (t) for u (x, t) in equation (1). (X (x) T (t)) =- (X (x) T (t)) dx2 dt kX" (x) T (t) = X (x) T' (t) X" (х) k- X(x) T'(1) T(t) X" (х) Consider k- X(x) T'(1) as –1. T(t) Therefore, the equation is reduced as follows: X GET 10 FREE QUESTIONS +λ=0 X(x)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Chain Rule
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, advanced-math and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,