jreed wrote:FrediFizzx wrote:jreed wrote: ...
Just go into Mathematica, define the function f=(1+Cos[theta[)/4 then enter FourierSeries[f,theta,omega]. You'll see the three components expressed as dirac delta functions in omega. If you had some experience with Fourier series, you would see that just looking at the expression for f.
Whoa! Gull never said anything about Fourier Series. Plus Mathematica gives for what you said,
Looks like nonsense to me. If you are getting Dirac Deltas, you are not doing something right. Show your math or you are just talking more nonsense.
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Sorry, my mistake. That should have FourierTransform.
That is what I figured. You are using the generic transform for that function. It's wrong. Probably the same mistake Gull made. Since the angle theta is involved, the integration only needs to be over 1 cycle. So you have your choice. 0 to 2pi or -pi to pi. It is pretty easy to just do the FT integration manually for that function. See what I posted earlier above.
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