What is usually the best way to calculate the integral $$\int_{R^2} f(\vec y)f(\vec x-\vec y)d^2\vec y = ?$$ with Fourier transformation or other useful method? Here $x=\Vert \vec x\Vert$.
2026-03-30 09:44:02.1774863842
suggestion on convolution calculation
62 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in FOURIER-TRANSFORM
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