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Oct 7, 2013 at 12:32 history edited Anton CC BY-SA 3.0
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Oct 2, 2013 at 23:23 comment added Anton Fair point. I described a simplified problem (just edited it to make it clear). It is not possible to do a Fourier transform for the real problem (the functions themselves are high-dimensional there), so I have to stick to Monte Carlo.
Oct 2, 2013 at 23:19 history edited Anton CC BY-SA 3.0
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Oct 2, 2013 at 18:30 comment added Steve Huntsman Why not work in Fourier space and construct a suitable numerical approximation of the n-fold product $(\hat{f})^n$ over the entire band, then multiply by $\hat{g}$ and perform the inverse transform?
Oct 2, 2013 at 17:21 history asked Anton CC BY-SA 3.0