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fourier transform of Dirac delta function

Posted 9 years ago

Wolfram alpha says:

fourier transorm(dirac delta function(x-1)) ~ exp(i*w)

http://mathworld.wolfram.com/DeltaFunction.html says:

fourier transorm(dirac delta function(x-1)) ~ exp(-i*w)

Is it a bug in wolfram alpha?

POSTED BY: Adam Kowalski

I think this is just an convention issue. see: http://mathworld.wolfram.com/FourierTransform.html. You can use the FourierParameter option to get different versions of result.

POSTED BY: Shenghui Yang
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