[Ifeffit] Has anyone got this technical problem during the fit?

NIRAWAT THAMMAJAK n.thammajak at gmail.com
Fri Aug 5 18:53:52 CDT 2011


On 4 August 2011 18:39, Matt Newville <newville at cars.uchicago.edu> wrote:

> Hi Nirawat,
> I think it would be really helpful to see the trapped errors. I can't
> promise that I could figure it out, but if you send the project file Bruce
> or I might have a chance.
>
> -Matt
> On Aug 4, 2011 9:18 AM, "NIRAWAT THAMMAJAK" <n.thammajak at gmail.com> wrote:
> > Dear All,
> >
> > I was just wondering if some of you may have experienced a problem like
> this
> > in the fit;
> >
> > I was trying to improve the precision of some fit parameters by doing
> guess,
> > def, and set. In the 61st fit, I tried to split parameters from
> constraints
> > that i have made. Then, the program didn't show me the results of the
> fit. I
> > knew that something might have gone wrong, the program forced me to
> close.
> > Fortunately, there was a window asking me to save it before closing the
> > project.
> >
> > I opened again the project file after it was safely saved. This time, I
> > could not perform any fitting - the green 'Fit' button was frozen and
> it's
> > not possible to click it. The red message below showed "Artemis trapped
> one
> > or more errors! Error message dumped to the screen", but I couldn't see
> such
> > error message on the screen.
> >
> > I closed the project and opened the file again, the 'Fit' button seemed
> to
> > work this time. Anyway, I still had that red message below said "Artemis
> > trapped one or more errors!...". After clicking at the data file, the red
> > message was gone and replaced by the number of data points, "22
> independent
> > points data points (Nyquist): ...". The numbers of the fit and FT
> parameters
> > were then shown in the boxes on the left as usual, but the title of data
> was
> > replaced by "o"!
> >
> > I thought it was okay, then I performed other fits. It worked fine. Until
> > the recent fit that I have it blown up, so I saved and closed the
> project.
> > Now when I try to open the file, I have got the earlier problem, frozen
> > 'Fit' button. Clicking at data file doesn't help as it used to be. I have
> > tried another saved file in this series of .apj files (same data), they
> have
> > got the same problem. I have tried open another data file like eto.apj in
> > the demo, it's also got that problem with the red message "Artemis
> trapped
> > one or more errors!.." too.
> >
> > I don't understand what should have gone wrong with the program. Your
> help
> > will be very much appreciated.
> >
> > Thank you,
> > Nirawat.
> >
> > --
> > Nirawat Thammajak
> > DPhil Candidate in Inorganic Chemistry
> > Balliol College
> > Oxford OX1 3BJ
> > United Kingdom
>
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>
>


-- 
Nirawat Thammajak
DPhil Candidate in Inorganic Chemistry
Balliol College
Oxford OX1 3BJ
United Kingdom
Tel. (+44) 01865 281385
Mobile (+44) 077658 17731
Fax (+44) 01865 271503
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