[Ifeffit] Can Artemis Simulate a FT Spectrum?

[Palomino, Robert]

Matt,

Thank you. How would I go about making a theory sum? Would I have to do
that in another graphing program or can it be done in Artemis?

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Today's Topics:

   1. Can Artemis Simulate a FT spectrum? (Palomino, Robert)
   2. Re: Can Artemis Simulate a FT spectrum? (Matt Newville)


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Message: 1
Date: Thu, 19 May 2011 11:38:45 -0400
From: "Palomino, Robert" <rpalomino at bnl.gov>
To: <ifeffit at millenia.cars.aps.anl.gov>
Subject: [Ifeffit] Can Artemis Simulate a FT spectrum?
Message-ID:
	<B32CD18BE9D42745B75847F981879A3602051206 at exchangemb3.bnl.gov>
Content-Type: text/plain; charset="us-ascii"

Hi,

 

I was wondering if it was possible for Artemis to simulate a FT
spectrum, I have a model and would like to visually see what the simple
R-space spectrum would like so see if there are any similarites at all
to my sample. I'm not sure if the reason it doesn't converge is because
the signal level is too low or if it is the wrong model all together.

 

Robert

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Message: 2
Date: Thu, 19 May 2011 10:49:29 -0500
From: Matt Newville <newville at cars.uchicago.edu>
To: XAFS Analysis using Ifeffit <ifeffit at millenia.cars.aps.anl.gov>
Subject: Re: [Ifeffit] Can Artemis Simulate a FT spectrum?
Message-ID: <BANLkTinQXo0F1XHB-Vy++5SDrkODhQm4Hw at mail.gmail.com>
Content-Type: text/plain; charset=windows-1252

Hi Robert,

Yes.  Make a "Theory Sum" to simulate chi(k), pick Fourier transform
parameters, and plot the result in R space.

--Matt

On Thu, May 19, 2011 at 10:38 AM, Palomino, Robert <rpalomino at bnl.gov>
wrote:
> Hi,
>
>
>
> I was wondering if it was possible for Artemis to simulate a FT
spectrum, I
> have a model and would like to visually see what the simple R-space
spectrum
> would like so see if there are any similarites at all to my sample.
I?m not
> sure if the reason it doesn?t converge is because the signal level is
too
> low or if it is the wrong model all together.
>
>
>
> Robert
>
> _______________________________________________
> Ifeffit mailing list
> Ifeffit at millenia.cars.aps.anl.gov
> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit
>
>



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