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Math Help - fourier transform convolution

  1. #1
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    fourier transform convolution

    show that convolution is commutative, f * g = g * f

    cheers
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by hugolovesmaths View Post
    show that convolution is commutative, f * g = g * f

    cheers
    (f*g)(t)=\int_{-\infty}^{\infty}f(\tau)g(t-\tau) \; d\tau

    Now change variables using u=t-\tau.

    CB
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