Re: Fourier Question
- To: mathgroup at smc.vnet.net
- Subject: [mg25776] Re: Fourier Question
- From: "Dana" <dana_news at hotmail.com>
- Date: Sun, 22 Oct 2000 23:30:08 -0400 (EDT)
- References: <8seaq8$6s8@smc.vnet.net> <DXxH5.309$qE1.6399@ralph.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Thank you for your time. I will study this link on Fourier I have lots of Books on Fourier Transforms, it is just that I do not know how to use Mathematica's results in any useful fashion yet. I will continue to try to figure this out. Again, Thank you very much for your time. Dana "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de> wrote in message news:DXxH5.309$qE1.6399 at ralph.vnet.net... > Fourier[] make a discrete Fourier transform of equal sampled data > on the interval [0,2Pi). It make a comples to complex transform > i.e. with basis functions Exp[i k t] and not Cos[] or Sin[] only. > > A nice introduction text about discret Fourier transform may be > at: > > http://www.ulib.org/webRoot/Books/Numerical_Recipes/bookcpdf.html > > chapter 12. > > Mathematica is clearly much smarter than the NR functions but the > text is very clear. > > Regards > Jens > > xxx at uunet.uu.net wrote: > > > > Hello. I am reading a few books on Fourier Analysis, and I am stuck on > > understanding a few concepts. > > I was hoping someone who uses this function in Mathematica could point me in > > the right direction. <snip>