Diffusion Equations : Classify the PDE's as Elliptic, Parabolic or Hyperbolic
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Classify the following PDE's as elliptic, parabolic or hyperbolic. If mixed, identify the regions and classify within each region.
(b) xuxx - uxy + yuxy +3uy = 1
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Solution Summary
A PDE is clssified as elliptic, parabolic or hyperbolic in the given solution.
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The most important thinf to recognize in determining this solution is how to look at the coefficients. In order to classify as on of these types we use the model:
B^2 -4AC
If this solution greater then zero then it is hyperbolic, if equal to zero then parabolic, if less then zero the elliptic.
The A,B,C terms represent coefficients in our PDE. The sign of these coefficient is what is most ...
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