Consider the partial differential equation du Ət = μu + a 8² u əx² - Bu³, Assume u > 0 and let t = µ t. What change of variable will eliminate the parameter from the differential equation for v(x,T)? -√²/ v= V= uER, a, ß> 0. v = ß¹/³u v = (Bµ)¹/³ u Ա V= = √Bu √Bμ u B 1/3 -- () - υ

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Consider the partial differential equation
Bu³,
Assume u> 0 and let t=ut. What change of variable will eliminate the parameter
from the differential equation for v(x,t)?
du
Ət
= μu + a
8² u
əx²
-√√
υ
v=
v=
=B¹/³ u
v = (ßµ)¹/³ u
v=
Ա
uER, a, ß> 0.
= √ Bμ u
v=
√Bu
B\ 1/3
fl
Ա
Transcribed Image Text:Consider the partial differential equation Bu³, Assume u> 0 and let t=ut. What change of variable will eliminate the parameter from the differential equation for v(x,t)? du Ət = μu + a 8² u əx² -√√ υ v= v= =B¹/³ u v = (ßµ)¹/³ u v= Ա uER, a, ß> 0. = √ Bμ u v= √Bu B\ 1/3 fl Ա
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