Philip: you may want to take a look at http://root.cern.ch/root/Tutorials.html, tutorial#16. In general it is a good idea to read ROOT tutorials. -best, pasha Philip M Borawski wrote: > > Please excuse my newbiness here, but I have some very basic questions on > fitting signal plus background interactivley. > > First question, is there a way to set parameters to predefined functions > (gaus for instance)? > > Next, is there a way to interactivley optimize the fit of this 'first > guess'? > > This is motivated by common fitting methods in PAW. For > instance to fit signal+background in PAW one would (for example) do > somthing like: > > ve/cr p(7) r 120 1.860 .015 1 1 1 1 > h/fit 222 g+p3 m 7 p > > and then inside minuit > > fix 2,3 > mini > impre > > Is there an anolog to this method in ROOT? > > Any examples or comments would be greatly appreciated. > > Thank you in advance > > Philip Borawski > University of Texas at Dallas > SLAC/BaBar Collaboration
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