User Fitting classes

Main Classes used for fitting a given data set.

Namespaces
	ROOT::Fit::FitUtil
	namespace defining utility free functions using in Fit for evaluating the various fit method functions (chi2, likelihood, etc..) given the data and the model function

Classes
class	ROOT::Fit::FitConfig
	Class describing the configuration of the fit, options and parameter settings using the ROOT::Fit::ParameterSettings class. More...
class	ROOT::Fit::FitResult
	class containg the result of the fit and all the related information (fitted parameter values, error, covariance matrix and minimizer result information) Contains a pointer also to the fitted (model) function, modified with the fit parameter values. More...
class	ROOT::Fit::Fitter
	Fitter class, entry point for performing all type of fits. More...
class	ROOT::Fit::ParameterSettings
	Class, describing value, limits and step size of the parameters Provides functionality also to set/retrieve values, step sizes, limits and fix the parameters. More...