Diffusion equation with variable dissipation

  1. Dec 16, 2009 #1
    1. The problem statement, all variables and given/known data

    Solve the equation
    U{t}=kU{xx}+cU

    Hint:use an integrating factor

    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Dec 17, 2009 #2

    HallsofIvy

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    What have you done? The hint says "use the integrating factor". What is the integrating factor?
     
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