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Re: Need some help -- plot fast fourier transform

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Date Sun, 22 Nov 2015 04:58:05 -0600
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Subject Re: Need some help -- plot fast fourier transform
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On 11/21/2015 9:13 PM, dakupoto@gmail.com wrote:
> On Saturday, November 21, 2015 at 5:43:09 AM UTC-5, Karl-Friedrich Ratzsch wrote:
>> Am 21.11.2015 um 05:56 schrieb dakupoto@gmail.com:
>>> Could some Gnuplot guru please provide any simple
>>> example script for plotting FFT(fast fourier
>>> transform). Currently I am just able to create
>>> scatter plots of FFT output, but I would much
>>> rather have the simple line graphs. All hints/
>>> suggestions would be greatly appreciated - thans
>>> in advance for your help.
>>
>> This doesn't explain your problem, just the direction from where it
>> landed on your feet.
>>
>> I'd say you don't want a guru, you want a nanny. Sorry.
>
> The problem is self-explanatory.
> I have generated a set of Fast
> Fourier Transform values(amplitude,
> phase) [SNIP;]
> I get a beautiful symmetrical flower
> like pattern in the plot window [snip]
> I am sure I have explained the problem
> clearly. I expect  meaningful response.

Gnuplot worked.
Ask yourself:
   1. What is an independent variable?
   2. What is a dependent variable?

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Thread

Need some help -- plot fast fourier transform dakupoto@gmail.com - 2015-11-20 20:56 -0800
  Re: Need some help -- plot fast fourier transform Karl-Friedrich Ratzsch <mail.kfr@gmx.net> - 2015-11-21 11:43 +0100
    Re: Need some help -- plot fast fourier transform dakupoto@gmail.com - 2015-11-21 19:13 -0800
      Re: Need some help -- plot fast fourier transform Richard Owlett <rowlett@cloud85.net> - 2015-11-22 04:58 -0600
      Re: Need some help -- plot fast fourier transform Thomas Wagner <thomas.wagner.marl@freenet.de> - 2015-11-25 00:51 +0100
      Re: Need some help -- plot fast fourier transform Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2015-11-25 01:25 +0100
      Re: Need some help -- plot fast fourier transform drmcnelson@gmail.com - 2017-01-28 17:47 -0800
        Re: Need some help -- plot fast fourier transform John Edwards <johned0@gmail.com> - 2017-01-31 04:18 -0800
  Re: Need some help -- plot fast fourier transform Richard Owlett <rowlett@cloud85.net> - 2015-11-21 10:07 -0600
  Re: Need some help -- plot fast fourier transform drmcnelson@gmail.com - 2017-01-28 17:08 -0800

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