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mpfit [message #94820]

Wed, 25 October 2017 23:34

Bhuvi
Messages: 1
Registered: October 2017

Junior Member

Hi,
I am using mpfit to fit the voigt profile to the given data. But I am getting an error like this
GDL> res=mpfit('voigt',p0,functargs=fa,STATUS=staus,ERRMSG=errmsg )
GDL> print,res
nan
GDL> print,errmsg
ERROR: recursion detected; you cannot run MPFIT recursively

How do we know where is the recursion happening and how to avoid the recursion?

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Re: mpfit [message #94843 is a reply to message #94820]

Thu, 02 November 2017 08:54

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

On Thursday, October 26, 2017 at 2:34:38 AM UTC-4, Bhuvi wrote:
> Hi,
> I am using mpfit to fit the voigt profile to the given data. But I am getting an error like this
> GDL> res=mpfit('voigt',p0,functargs=fa,STATUS=staus,ERRMSG=errmsg )
> GDL> print,res
> nan
> GDL> print,errmsg
> ERROR: recursion detected; you cannot run MPFIT recursively
>
> How do we know where is the recursion happening and how to avoid the recursion?

I'm guessing you had one MPFIT session crash in the middle of a fit, then you tried to run it again. As documented in mpfit.pro, you can run MPFIT_RESET_RECURSION to reset the recursion detection.

Craig

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