[root] Log of /trunk/hist/hist/src/TFitResult.cxx

Revision 31604 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Mon Dec 7 19:04:33 2009 UTC (5 years, 1 month ago) by moneta
File length: 2317 byte(s)
Diff to previous 31261

- fix a problem returning the covariance matrix when fit failed. Now all minimizer implements CovMatrixStatus() when they calculate the covariance matrix. Add in FitResult method to return covariance matrix status 
- Add a flag in interface of Minimizer::GetMinosError to do separatly positive or negative errors 
- fix usage of  default minimizer from what is defined in etc/system.rootrc

- improve comment in TH1::Fit and TGraph::Fit for usage of TFitResultPtr

Revision 31261 - (view) (download) (as text) (annotate) - [select for diffs]
Added Wed Nov 18 07:31:51 2009 UTC (5 years, 2 months ago) by moneta
File length: 2030 byte(s)

- remove assert in TFitResultPtr and print instead an error messages
- implement TFitRresult::Print and method to retrieve a covariance and correlation matrix as a TMatrixDSym

FitResult: 
- fix a bug in FitResult in returning the correlation matrix for fixed parameters 
- improve printout in case of empty classes

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