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Math Help - wave equation pde problem

  1. #1
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    wave equation pde problem

    Hi everyone,

    I'm having a bit of trouble with this pde problem:


    i get the answer to be u(x,t)=0 but i am guessing thats not right.

    is the general solution to this problem: u(x,t) = f(x+ct) + g(x-ct) ??

    thanks

    sarah
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  2. #2
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    nm, got it!
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  3. #3
    hpe
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    Quote Originally Posted by sarahisme View Post
    Hi everyone,

    I'm having a bit of trouble with this pde problem:


    i get the answer to be u(x,t)=0 but i am guessing thats not right.

    is the general solution to this problem: u(x,t) = f(x+ct) + g(x-ct) ??

    thanks

    sarah
    Duhamel's principle.
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  4. #4
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    Quote Originally Posted by hpe View Post
    right , yep i see now, thanks
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