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Homework Help: Linearity of boundary conditions

  1. Oct 15, 2012 #1
    1. The problem statement, all variables and given/known data

    Using the definition of linearity to determine whether or not ech case is a linear homegeneous boundary condition:

    i.) Uxx(0,y)=Ux(0,y)U(0,y)
    ii.)Uy(x,0)=Ux(5,y)

    2. Relevant equations



    3. The attempt at a solution

    I know Uxx(0,y)=Ux(0,y)U(0,y) is not linear because of U(0,y). However, I have no idea for ii.
     
  2. jcsd
  3. Oct 15, 2012 #2

    HallsofIvy

    User Avatar
    Science Advisor

    Well, what does "linear" mean?
     
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