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What is a non-linear

  1. Oct 10, 2005 #1
    What makes a PDE non-linear please?

  2. jcsd
  3. Oct 10, 2005 #2


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    Do you know what makes an ordinary diff. eq. non-linear?
  4. Oct 10, 2005 #3


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    Do you know what nonlinear means? :)
  5. Oct 22, 2005 #4


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    Having a non-linear function of the dependent function anywhere in the equation. I suspect arildno and Tide were wondering how you could be studying partial differential equations if you don't know what "non-linear" means!
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