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Simple PDE

  1. Jan 8, 2007 #1
    How do you solve this simple PDE?
    D/Dr (f) = D/Dt (f) ?
    Pls don't just give me the final answer.
     
  2. jcsd
  3. Jan 8, 2007 #2

    J77

    User Avatar

    Separation of variables.
     
  4. Jan 9, 2007 #3
    Not too sure how, can you help?
     
  5. Jan 9, 2007 #4
    Let f(r,t)=R(r)*T(t), substitute this into your originak equation, take the derivatives and separate the variables(Rs on one side of the equation and Ts on the other).
     
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