Le 04/10/2012 16:54, Damon McDougall a écrit : > Adding Gaussian noise to each point on a function doesn't look nice. > That's why I produced a random function in Fourier space first. That > way, random functions still have some sense of smoothness. Mathematica code seems to use a Gaussian *smoothing* of a uniform noise. I understand this as the spatial-domain-way (using convolution) to get some smoothness while you've taken the frequency-domain path. It's a matter of taste and I guess that both ways should be ok !
Best, Pierre
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