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Re: mpfit: meaning of status flag [message #53844 is a reply to message #53683]

Mon, 07 May 2007 00:06

Maarten[1]
Messages: 176
Registered: November 2005

Senior Member

Craig Markwardt wrote:
> Maarten <maarten.sneep@knmi.nl> writes:
>
>> On May 1, 1:27 pm, Christopher Thom <c...@oddjob.uchicago.edu> wrote:
>>> Quoth Maarten:
>>>
>>>> A plot of the fit looks OK, and the residuals seem to be fine, so I
>>>> suspect it is OK, but the documentation is a bit vague: "STATUS: an
>>>> integer status code is returned. All values other than zero can
>>>> represent success." So I might be successful, but I'm certainly a bit
>>>> uncertain right now ;)
>>>
>>> The documentation in mpfit.pro is pretty explicit.
>>
>> Thanks, I'd been looking at the mpfitfun docs, which is somewhat less
>> explicit. I should have thought to look at the primary source.
>>
>>> A return status of 1 means that everything is working ok, and that the
>>> routine seems to have found the minimum. If your fit looks ok, and the
>>> errors seem reasonable, then your work here is done.
>>
>> I already assumed that that was the case.
>
>
> Wait, you are saying you got a return status value of 1 (success) and
> an empty ERRMSG, and yet somehow a message was printed to the screen
> that said "improper input parameters"?

No, PEBKAC. Off by one error on my part, after creating a human
readable version of the documentation header in LaTeX, the status
messages were off by one (insert bright red face here). All is fine
now (although the mismatch between the headers of mpfit and mpfitfun
is real; the mpfit header seems more readable).

Maarten

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[Message index]

		mpfit: meaning of status flag By: Maarten[1] on Thu, 26 April 2007 02:32
		Re: mpfit: meaning of status flag By: Maarten[1] on Tue, 01 May 2007 07:33
		Re: mpfit: meaning of status flag By: Craig Markwardt on Sat, 05 May 2007 22:13
		Re: mpfit: meaning of status flag By: Christopher Thom on Tue, 01 May 2007 06:27
		Re: mpfit: meaning of status flag By: Maarten[1] on Mon, 07 May 2007 00:06

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