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Is this equation linear?

  1. Mar 6, 2015 #1
    (1+y2) d2y/(dt2) + t dy/dt +y = et
     
  2. jcsd
  3. Mar 6, 2015 #2
    I think its not linear, there's y squared
     
  4. Mar 7, 2015 #3
    No, it's not.
     
  5. Mar 7, 2015 #4

    HallsofIvy

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    Staff Emeritus
    Science Advisor

    It is not because, as Leonita said, it has a non-linear function of the dependent variable, y.
     
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