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Help- heat equation

  1. Jan 23, 2012 #1
    1 .) i added several problems which i couldnt understand the approach for solving them.
    i'm kinda confused, will glad if someone would guide me.

    2.) in class weve talked about and calculated . n orders(0,1,2,3) of moments, how is it to do with the heat equations? and what is the importance?

    thanks

    chen
     

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  3. Jan 27, 2012 #2

    fluidistic

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    For 1), I'd try the method of "Separation of variables". In other words, you make the ansatz (or assume) that a solution to the heat equation is of the form [itex]u(x,t)=F(x)G(t)[/itex]. I suggest you to read about this method on the Internet.
    2)I have no idea, never heard of such thing.
     
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