langaus.C File Reference

#include "TH1.h"
#include "TF1.h"
#include "TROOT.h"
#include "TStyle.h"
#include "TMath.h"

Go to the source code of this file.

Functions
Double_t	langaufun (Double_t *x, Double_t *par)
TF1 *	langaufit (TH1F *his, Double_t *fitrange, Double_t *startvalues, Double_t *parlimitslo, Double_t *parlimitshi, Double_t *fitparams, Double_t *fiterrors, Double_t *ChiSqr, Int_t *NDF)
Int_t	langaupro (Double_t *params, Double_t &maxx, Double_t &FWHM)
void	langaus ()

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Function Documentation

TF1* langaufit	(	TH1F *	his,
		Double_t *	fitrange,
		Double_t *	startvalues,
		Double_t *	parlimitslo,
		Double_t *	parlimitshi,
		Double_t *	fitparams,
		Double_t *	fiterrors,
		Double_t *	ChiSqr,
		Int_t *	NDF
	)

Definition at line 79 of file langaus.C.

References TCollection::FindObject(), TH1::Fit(), TF1::GetChisquare(), TROOT::GetListOfFunctions(), TNamed::GetName(), TF1::GetNDF(), TFormula::GetParameters(), TF1::GetParError(), gROOT, i, langaufun(), TFormula::SetParameters(), TF1::SetParLimits(), TFormula::SetParNames(), and sprintf().

Referenced by langaus().

Double_t langaufun	(	Double_t *	x,
		Double_t *	par
	)

Definition at line 23 of file langaus.C.

References TMath::Gaus(), i, and TMath::Landau().

Referenced by langaufit(), and langaupro().

Int_t langaupro	(	Double_t *	params,
		Double_t &	maxx,
		Double_t &	FWHM
	)

Definition at line 128 of file langaus.C.

References TMath::Abs(), i, l, langaufun(), p, and x.

Referenced by langaus().

void langaus

(

)

Definition at line 230 of file langaus.C.

References data, TF1::Draw(), TH1::Draw(), TH1::Fill(), fp, TH1::GetMean(), TH1::GetXaxis(), gStyle, i, langaufit(), langaupro(), TStyle::SetLabelSize(), TStyle::SetOptFit(), TStyle::SetOptStat(), and TAxis::SetRange().

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