mikula mali wrote: > > This issues has been somewhat discussed several weeks ago. I need to use > a large number of params in Minuit (~80 or so) and, as Rene explained in > previous postings, I use the following constructor: > > TMinuit *aMinuit = new TMinuit(95); > > SEEK & SIMPLEX calls work ok, however all the Minuit functions that > estimate parameter errors (such as MIGRAD, MINOS) dont work correctly > for parameters 26 and higher (i.e. parabollic errors & correlations are > correctly calculated for the first 25 parameters, but not for the rest > of it -- somehow Minuit fixes err(p)=sqrt(2) for P>25). Is this a bug or > I'm doing sth wrong? > Hi Mikula, I have found the case of two internal static arrays in TMinuit with a maximum dimension of 50. This probably explains your problem. I have extended these static arrays to a maximum of 100. These static arrays should be changed to dynamic arrays. To be done. Rene Brun
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