Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado
Re: How to do a weighted fit using pv-wave?
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