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Groups > comp.graphics.apps.gnuplot > #324
| From | Hans-Bernhard Bröker <HBBroeker@t-online.de> |
|---|---|
| Newsgroups | comp.graphics.apps.gnuplot |
| Subject | Re: Multible Fits using the same fit function lead to ?false? results. |
| Date | 2011-05-19 01:56 +0200 |
| Message-ID | <93j4l3F5euU1@mid.dfncis.de> (permalink) |
| References | <836a279c-e42c-4304-a7a5-6dfd90ebe7df@hd10g2000vbb.googlegroups.com> |
On 18.05.2011 00:04, Oliver Götze wrote: > Hi > i just noticed that using a gnuplot script like this: [...] > on a table.dat file like this (just an example): [...] > leads to false results, It's really hard to help you based on such a vague description. What exactly do you think is "wrong" about those results? > i have to reset (or set to zero) die > coefficients a0, a1, a2 after/before every fit by placing > a0=0 > a1=0 > a2=0 Don't do that. Fit parameters should never be zero; particularly not the start-up values. > If i do not do this the last values for the coefficients are taken > into the next fit and this is influencing the results. So what?
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Multible Fits using the same fit function lead to ?false? results. Oliver Götze <goetze.oliver@googlemail.com> - 2011-05-17 15:04 -0700 Re: Multible Fits using the same fit function lead to ?false? results. Christoph Bersch <usenet@bersch.net> - 2011-05-18 09:54 +0200 Re: Multible Fits using the same fit function lead to ?false? results. Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2011-05-19 01:56 +0200
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