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Re: lsqnonlin and nonlin_residmin

From: Olaf Till
Subject: Re: lsqnonlin and nonlin_residmin
Date: Mon, 15 Jun 2015 08:40:55 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Thu, Jun 11, 2015 at 03:50:14PM +0200, Olaf Till wrote:
> - TMW seems to have changed the handling of options for the size of
>   the finite differences since I decided not to use the same
>   options. Now I think 'FinDiffRelStep' should be used for
>   nonlin_residmin also, together with 'TypicalX'. It does not hurt to
>   also provide 'FinDiffType' in nonlin_residmin additionally to the
>   existing 'diff_onesided', although the latter can be specific to
>   single parameters, while 'FinDiffType' is only scalar. Since I'm
>   currently busy with other things, give me some days to implement
>   these three options and the corresponding code changes in
>   __nonlin_residmin__ and __dfdp__.

There was a bit more about it, done now. Beware that the default for
'TypicalX' is not 1 in '__dfdp__', so you should provide the default 1
in 'lsqnonlin'.


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