<div>Hi Bruce,</div>
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<div>I send to you the project.<br><br></div>
<div class="gmail_quote">2009/1/13 Bruce Ravel <span dir="ltr"><<a href="mailto:bravel@bnl.gov">bravel@bnl.gov</a>></span><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br>Hi Kleper,<br><br>But your reduced chi-square is only 10^35.  That seems like a pretty good<br>fit... ;-)<br>
<br>There is obviously a numerical problem, corrupted data, corrupted project<br>file -- something like that.<br><br>Can you send me the project file?<br>
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<div class="Wj3C7c"><br>B<br><br>> Please, help me. When I try to do any fit in Arthemis, setting all<br>> parameters unless one, been this one any of the parameters, the fit gives<br>> for the answer -1.0000 +/- 0.000000 like example down. What is happening?<br>
><br>> ============================================================<br>> Independent points          =       8.239257812<br>> Number of variables         =       1.000000000<br>> Chi-square                  =   0.120000000E+37<br>
> Reduced Chi-square          =   0.165762849E+36<br>> R-factor                    =               NaN<br>> Measurement uncertainty (k) =       0.000437667<br>> Measurement uncertainty (R) =       0.000724906<br>
> Number of data sets         =       1.000000000<br>><br>> Guess parameters +/- uncertainties  (initial guess):<br>> *  amp             =    -1.0000000   +/-      0.0000000    (1.0000)*<br>> Set parameters:<br>
>   enot            =  0<br>>   delr            =  0<br>>   ss              =  0.003<br>>   c3              =  0.0001<br>>   c4              =  0.00001<br><br><br><br>--<br><br></div></div> Bruce Ravel  ------------------------------------ <a href="mailto:bravel@bnl.gov">bravel@bnl.gov</a><br>
<br> National Institute of Standards and Technology<br> Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2<br> Building 535A<br> Upton NY, 11973<br><br> My homepage:    <a href="http://xafs.org/BruceRavel" target="_blank">http://xafs.org/BruceRavel</a><br>
 EXAFS software: <a href="http://cars9.uchicago.edu/~ravel/software/exafs/" target="_blank">http://cars9.uchicago.edu/~ravel/software/exafs/</a><br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br>Kleper de Oliveira Rocha<br>Doutorando em Engenharia Química<br>Departamento de Engenharia Química/UFSCar<br>Tels. 55 016 3351-8694<br>