Re: [Ifeffit] [IFEFIT]Chi(E) in version 0.9.25

This already happens in Athena. It was requested back in 2014: https://www.mail-archive.com/ifeffit@millenia.cars.aps.anl.gov/msg04747.html and Bruce did include energy as a column in the exported chi file in a future release (present in 0.9.26)...e.g. # XDI/1.0 Athena/0.9.26 # Element.edge:                  K # Element.symbol:                Fe # Column.1:                      k inverse Angstrom # Column.2:                      chi # Column.3:                      chik # Column.4:                      chik2 # Column.5:                      chik3 # Column.6:                      window # Column.7:                      energy -R. On 9/15/2017 6:32 AM, Matt Newville wrote:

Hi Michael,

On Fri, Sep 15, 2017 at 8:21 AM, Michael Stockenhuber mailto:michael.stockenhuber@newcastle.edu.au> wrote:

Dear mailing list,

Is there any way to save data as Chi( E),i.e., energy one column and chi(E) in the 2^nd column? This was possible in the past and it would be great to have that to be able to import into excurv.

Sure:

   ~> larch

   larch> dat = read_ascii(datafile_name)    larch> # ... make sure you have mu(E) as  'dat.energy' and 'dat.mu http://dat.mu'

   larch> autobk(dat, rbkg=1.0, kweight=1)  # may want other options

   larch> write_ascii('my_chie.txt', dat.energy, dat.chie)    larch> plot(dat.energy, dat.chie, xlabel='E (eV)', ylabel=r'$\chi(E)$')

Hope that helps,

--Matt

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