Hi Bruce, I send to you the project.
2009/1/13 Bruce Ravel <bra...@bnl.gov> > > Hi Kleper, > > But your reduced chi-square is only 10^35. That seems like a pretty good > fit... ;-) > > There is obviously a numerical problem, corrupted data, corrupted project > file -- something like that. > > Can you send me the project file? > > B > > > Please, help me. When I try to do any fit in Arthemis, setting all > > parameters unless one, been this one any of the parameters, the fit gives > > for the answer -1.0000 +/- 0.000000 like example down. What is happening? > > > > ============================================================ > > Independent points = 8.239257812 > > Number of variables = 1.000000000 > > Chi-square = 0.120000000E+37 > > Reduced Chi-square = 0.165762849E+36 > > R-factor = NaN > > Measurement uncertainty (k) = 0.000437667 > > Measurement uncertainty (R) = 0.000724906 > > Number of data sets = 1.000000000 > > > > Guess parameters +/- uncertainties (initial guess): > > * amp = -1.0000000 +/- 0.0000000 (1.0000)* > > Set parameters: > > enot = 0 > > delr = 0 > > ss = 0.003 > > c3 = 0.0001 > > c4 = 0.00001 > > > > -- > > Bruce Ravel ------------------------------------ bra...@bnl.gov > > National Institute of Standards and Technology > Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2 > Building 535A > Upton NY, 11973 > > My homepage: http://xafs.org/BruceRavel > EXAFS software: http://cars9.uchicago.edu/~ravel/software/exafs/ > _______________________________________________ > Ifeffit mailing list > Ifeffit@millenia.cars.aps.anl.gov > http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit > -- Kleper de Oliveira Rocha Doutorando em Engenharia Química Departamento de Engenharia Química/UFSCar Tels. 55 016 3351-8694
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