Hi, I'm trying to find fourier series decomposition of 1/x function on [-3; 3] interval. IMHO, such a decomposition doesn't exist, because the a0 и an doesn't exist (corresponding integrals doesn't converge). But sympy function fourier_series, returns the answer (omitting the a0, an coefficients and only taking into account the bn coefficients). Is there an error in fourier_series function? fourier_series(1/x,(x,-3,3)) = (2/3)*sin(pi*x/3)*Si(pi)+(2/3)*sin(2*pi*x/3)*Si(2*pi)+(2/3)*sin(pi*x)*Si(3*pi)+...
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