Groups > comp.graphics.apps.gnuplot > #729

Re: Use fit parameters as title for a plot

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From	sfeam <sfeam@users.sourceforge.net>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: Use fit parameters as title for a plot
Followup-To	comp.graphics.apps.gnuplot
Date	Wed, 07 Dec 2011 21:57:31 -0800
Organization	gnuplot development team
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Gabriele wrote:

> On 7 Dic, 19:51, tv <tommaso.vi...@gmail.com> wrote:
>> On Dec 7, 5:33 pm, Gabriele <gabriele.fontanar...@gmail.com> wrote:
>>
>> > Now i want to plot a graph with a title like:
>> > "blablabla Aval - Aerr blablabla"
>>
>> set title sprintf("blablabla %f - %f blablabla",Aval ,Aerr)
> 
> Thank you very much :)
> 
> How do i access to Aerr value? I read it on the fit.log, but it's seem
> not stored elsewhere

gnuplot> help fit
[...]
 After each iteration step, detailed information about the current state
 of the fit is written to the display.  The same information about the
 initial and final states is written to a log file, "fit.log".  This file
 is always appended to, so as to not lose any previous fit history;  it
 should be deleted or renamed as desired. By using the command
 `set fit logfile`, the name of the log file can be changed.

 If gnuplot was built with this option, and you activated it using `set fit
 errorvariables`, the error for each fitted parameter will be stored in
 a variable named like the parameter, but with "_err" appended.  Thus the
 errors can be used as input for further computations.

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Thread

Use fit parameters as title for a plot Gabriele <gabriele.fontanarosa@gmail.com> - 2011-12-07 08:33 -0800
  Re: Use fit parameters as title for a plot tv <tommaso.vinci@gmail.com> - 2011-12-07 10:51 -0800
    Re: Use fit parameters as title for a plot Gabriele <gabriele.fontanarosa@gmail.com> - 2011-12-07 19:37 -0800
      Re: Use fit parameters as title for a plot sfeam <sfeam@users.sourceforge.net> - 2011-12-07 21:57 -0800
        Re: Use fit parameters as title for a plot Gabriele <gabriele.fontanarosa@gmail.com> - 2011-12-08 03:35 -0800

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