Consider the following 2nd order PDE, Uzz +2Uzy + 4U₂ = 0. (i) Write down its principal part and then determine the type (elliptic, parabolic or hyperbolic). (ii) Change the principal part of the above equation to a canonical form (i.e. without cross-derivatives).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
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Consider the following 2nd order PDE,
Uzz +2Uzy + 4U₂ = 0.
(i) Write down its principal part and then determine the type (elliptic, parabolic
or hyperbolic).
(ii) Change the principal part of the above equation to a canonical form (i.e.
without cross-derivatives).
Transcribed Image Text:Consider the following 2nd order PDE, Uzz +2Uzy + 4U₂ = 0. (i) Write down its principal part and then determine the type (elliptic, parabolic or hyperbolic). (ii) Change the principal part of the above equation to a canonical form (i.e. without cross-derivatives).
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