6. Consider the equation 3uy + xy = 0. (a) What is its type? (b) Find the general solution. (Hint: Substitute v = Uy.) -3x (c) With the auxiliary conditions u(x, 0) = e−³x and uy(x, 0) = 0, does a solution exist? Is it unique?
6. Consider the equation 3uy + xy = 0. (a) What is its type? (b) Find the general solution. (Hint: Substitute v = Uy.) -3x (c) With the auxiliary conditions u(x, 0) = e−³x and uy(x, 0) = 0, does a solution exist? Is it unique?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter11: Differential Equations
Section11.1: Solutions Of Elementary And Separable Differential Equations
Problem 2YT
Related questions
Question
[Second Order Equations] How do you solve this?
![6. Consider the equation 3uy + xy = 0.
(a) What is its type?
(b) Find the general solution. (Hint: Substitute v = Uy.)
-3x
(c) With the auxiliary conditions u(x, 0) = e−³x and uy(x, 0) = 0, does
a solution exist? Is it unique?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8df40daa-9262-4cf3-819c-bded9a5464f1%2F8045070c-5c32-4fdc-a1fb-8799ad402187%2F16ax9s_processed.png&w=3840&q=75)
Transcribed Image Text:6. Consider the equation 3uy + xy = 0.
(a) What is its type?
(b) Find the general solution. (Hint: Substitute v = Uy.)
-3x
(c) With the auxiliary conditions u(x, 0) = e−³x and uy(x, 0) = 0, does
a solution exist? Is it unique?
![Theorem 1. By a linear transformation of the independent variables, the
equation can be reduced to one of three forms, as follows.
(1)
Elliptic case: If a12 < a11922, it is reducible to
Uxx + Uyy +... 0
(where... denotes terms of order 1 or 0).
(ii) Hyperbolic case: If a²2 > a11922, it is reducible to
UxxUyy +
= 0.
1.6 TYPES OF SECOND-ORDER EQUATIONS
(iii) Parabolic case: If a 12:
= a11922, it is reducible to
Uxx + = 0
(unless a11 = a12 = a22 = 0).
29](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8df40daa-9262-4cf3-819c-bded9a5464f1%2F8045070c-5c32-4fdc-a1fb-8799ad402187%2Fndj0i1r_processed.png&w=3840&q=75)
Transcribed Image Text:Theorem 1. By a linear transformation of the independent variables, the
equation can be reduced to one of three forms, as follows.
(1)
Elliptic case: If a12 < a11922, it is reducible to
Uxx + Uyy +... 0
(where... denotes terms of order 1 or 0).
(ii) Hyperbolic case: If a²2 > a11922, it is reducible to
UxxUyy +
= 0.
1.6 TYPES OF SECOND-ORDER EQUATIONS
(iii) Parabolic case: If a 12:
= a11922, it is reducible to
Uxx + = 0
(unless a11 = a12 = a22 = 0).
29
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