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Re: How to do a weighted fit using pv-wave? [message #18941]

Thu, 17 February 2000 00:00

Vontobel Peter
Messages: 4
Registered: February 2000

Junior Member

Peter Hueckel wrote:

> I would like to fit datas to an exponential equation. The "curvefit"
> procedure does not work very stabil with my kind of equation.
> "Nlinlsq.pro" does the fitting very well. But how is it possible to
> provide the routine with a vector for a weighted fitting? Who knows how
> to do such a weighted fitting using pv-wave? I am looking for some help.
>
> Thanks Peter

Hello Peter,

the FScale parameter of NLINLSQ provides the possibility to do a weighted fit.

If i remember correctly there is an example in the printed manual.

--
Peter Vontobel, ASQ Division WHGA 349,
Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland

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