Solving second order CC non-homogenuous pde

  1. 1. The problem statement, all variables and given/known data
    for -inf<x<inf
    y>0, subject to boundary conditions
    Uy(x,0)=f(x), u(x,y) bounded as x-> +/- inf or y -> inf

    2. Relevant equations
    Fourier transform
    greens function?

    3. The attempt at a solution
    I would think that I would have to go through two fourier transforms to get this to be solved, or use greens function. However, I remember going through in class where since the PDE has constant coefficients, I can go ahead and solve assuming U=e^(rx+sy).
    Is this the right path to go? I tried using the CC method using U=e^(rx+sy), but it isn't giving me a straightforward answer.
  2. jcsd
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