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Homework Help: The 2D wave-equation: d'Alemberts method

  1. Oct 17, 2008 #1
    1. The problem statement, all variables and given/known data
    I am given an initial- and boundary value problem for the two dimensional wave function, and I must solve it by d'Alembert's method.

    It is all good, but I am given the initial velocity: [itex]g(x)=x(\pi-x)[/itex].

    I have to find the odd extension of this on the interval [itex]-\pi[/itex] to [itex]\pi[/itex]. I don't like using Fourier series, because I must integrate the odd extension. Is there any way to do this?

    Thanks in advance,

  2. jcsd
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