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 Jun 20 revised Plotting a one-sided amplitude spectrum Additional information Jun 20 asked Plotting a one-sided amplitude spectrum Jun 20 comment What happens to Fourier Transform of function when the function's time scale is changed? @leonbloy Just self revision, but anyway, I've added more information to what I have tried, please take a look. Thanks Jun 20 revised What happens to Fourier Transform of function when the function's time scale is changed? Further information Jun 20 asked What happens to Fourier Transform of function when the function's time scale is changed? Jun 20 comment Finding Fourier series with function not centered at the origin @LeonidKovalev why is$\int_{-\pi}^\pi f(t)\sin nt\,dt=2\int_{0}^{\pi/2} f(t)\sin nt\,dt$ ? Jun 19 comment Finding Fourier series with function not centered at the origin @RaymondManzoni Thanks for your help, I have now worked out half the question for when it's Even, but what would f(x) be like when it is Odd? Jun 19 revised Finding Fourier series with function not centered at the origin additional information Jun 19 comment Finding Fourier series with function not centered at the origin @Raymond Manzoni Thanks, I'll give it a go now Jun 19 asked Finding Fourier series with function not centered at the origin Jun 19 awarded Editor Jun 19 revised Evaluating Integral with Residue Theorem change of formatting Jun 19 comment Evaluating Integral with Residue Theorem Thanks, so I just want to check, is it possible for the integral to be 0 even if there are poles inside the path of integration? Jun 19 awarded Supporter Jun 19 accepted Evaluating Integral with Residue Theorem Jun 19 awarded Student Jun 19 asked Evaluating Integral with Residue Theorem Jun 19 accepted Apply Cauchy-Riemann equations on $f(z)=z+|z|$? Jun 19 asked Apply Cauchy-Riemann equations on $f(z)=z+|z|$? Jun 19 awarded Scholar