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Re: chi^2 minimisations & calling c [message #36676]

Thu, 16 October 2003 10:50

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

danb@star.herts.ac.uk (Dan B) writes:

>> You must have spilled it wrong! :-)
>>
>
> Indied. Had to scroll down the page, doh.
>
> I am now having real trouble trying to get mpfit to work with spawn in
> the function_name though. When I ddread the model data points back I
> get told:
>
> % CLOSE: Variable is undefined: LUN.
> % Error occurred at: DDREAD 302

Please, take MPFIT out of the situation. First, get your model to
work by calling it alone, without MPFIT. When you are confident that
it works (repeatedly), then try to combine it with the fitter.
*Think* about why LUN could be undefined within DDREAD. Do you really
think it's a problem with the fitting? Probably not. It sounds more
like an I/O problem, so you need to solve that first.

>> function bla
>>
>> spawn program with a b c d e f
>>
>> x =ddread(modeldatapoints)
>> y =ddread(truedatapoints)
>>
>> end

Obviously this can't be correct since MODELDATAPOINTS and
TRUEDATAPOINTS do not exist as variables.

>> pro blabla
>>
>> p =[a,b,c,d,e,f]
>>
>> fit = mpfit(x, y, p, FUNCTION_NAME=bla)

MPFIT does not have a FUNCTION_NAME keyword.

Good luck,
Craig

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[Message index]

		Re: chi^2 minimisations & calling c By: Craig Markwardt on Thu, 16 October 2003 10:50
		Re: chi^2 minimisations & calling c By: Paul Van Delst[1] on Thu, 16 October 2003 10:41
		Re: chi^2 minimisations & calling c By: danb on Thu, 16 October 2003 10:15
		Re: chi^2 minimisations & calling c By: David Fanning on Thu, 16 October 2003 07:44
		Re: chi^2 minimisations & calling c By: danb on Thu, 16 October 2003 07:16
		Re: chi^2 minimisations & calling c By: Rick Towler on Wed, 15 October 2003 10:52
		Re: chi^2 minimisations & calling c By: Richard French on Wed, 15 October 2003 04:09
		Re: chi^2 minimisations & calling c By: danb on Wed, 15 October 2003 02:52
		Re: chi^2 minimisations & calling c By: Rick Towler on Tue, 14 October 2003 14:46
		Re: chi^2 minimisations & calling c By: Rick Towler on Tue, 14 October 2003 10:21
		Re: chi^2 minimisations & calling c By: Craig Markwardt on Tue, 14 October 2003 09:52

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