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Query regarding classification of pde

  1. Aug 3, 2012 #1
    In my research work, I recently have come across a
    system of three linear first order pde's whose characteristic polynomial has one
    real and two complex conjugate zeros. I have searched the available
    resources and could nowhere find out which category
    (elliptic/hyperbolic/parabolic) it falls in. I need to analyze it
    qualitatively, though a numerical solution can easily be found out.
    It would be of great help for me if anybody kindly let me know possible
    references where I could find out pdes of this type.
  2. jcsd
  3. Aug 6, 2012 #2
    Have you tried Wolfram Alpha? I know that it's a pretty common site for most people on this site, but it would certainly give you some ideas.

    I hope this helps.
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