fitWZ Namespace Reference

Functions
def	MyChi2
Variables
tuple	arglist = array('d', 10*[0.])
float	corrZEff = 0.236
tuple	errpar0 = Double(0.0)
float	ewxsection = 0.090
float	ezxsection = 0.031
float	finalChi2 = 0.0
tuple	gMinuit = TMinuit()
tuple	ier = Long(0)
tuple	par0 = Double(0.0)
float	sysEff = 0.013
float	wxsection = 9.922
float	zxsection = 0.924

---

Function Documentation

def fitWZ::MyChi2	(		npar,
			g,
			chi2,
			x,
			iflag
	)

Definition at line 19 of file fitWZ.py.

00020                                     :
00021       # Inverse of (Zyield,sysEff) covariance matrix
00022       s11 = 1./ezxsection**2/(1.-corrZEff**2)
00023       s22 = 1./sysEff**2/(1.-corrZEff**2)
00024       s12 = -corrZEff/(1.-corrZEff**2)/ezxsection/sysEff
00025 
00026       # Build chi2
00027       wxsFit = x[0]*x[1]
00028       zxsFit = x[1]
00029       effFit = x[2]
00030       chi2[0] = (wxsFit*(1.+effFit)-wxsection)*(wxsFit*(1.+effFit)-wxsection)/ewxsection/ewxsection
00031       chi2[0] += (zxsFit-zxsection)*(zxsFit-zxsection) *s11
00032       chi2[0] += effFit*effFit * s22
00033       chi2[0] += 2*(zxsFit-zxsection)*effFit * s12
00034 
# Minimation, main program

---

Variable Documentation

tuple fitWZ::arglist = array('d', 10*[0.])

Definition at line 38 of file fitWZ.py.

Referenced by LASBarrelAlgorithm::CalculateParameters(), MuonResidualsFitter::dofit(), HOCalibAnalyzer::endJob(), fit::RootMinuit< Function >::init(), fit::RootMinuit< Function >::migrad(), fit::RootMinuit< Function >::minimize(), and Vx3DHLTAnalyzer::MyFit().

float fitWZ::corrZEff = 0.236

Definition at line 16 of file fitWZ.py.

tuple fitWZ::errpar0 = Double(0.0)

Definition at line 52 of file fitWZ.py.

float fitWZ::ewxsection = 0.090

Definition at line 12 of file fitWZ.py.

float fitWZ::ezxsection = 0.031

Definition at line 14 of file fitWZ.py.

float fitWZ::finalChi2 = 0.0

Definition at line 48 of file fitWZ.py.

tuple fitWZ::gMinuit = TMinuit()

Definition at line 35 of file fitWZ.py.

Referenced by SiPixelSCurveCalibrationAnalysis::doFits(), HOCalibAnalyzer::endJob(), Fit_MaximumPoint(), TrackTransformerForGlobalCosmicMuons::fitter(), and EcalUncalibRecHitRecAnalFitAlgo< EBDataFrame >::makeRecHit().

tuple fitWZ::ier = Long(0)

Definition at line 39 of file fitWZ.py.

tuple fitWZ::par0 = Double(0.0)

Definition at line 51 of file fitWZ.py.

Referenced by DTNoiseComputation::endJob(), and SiPixelDigitizerAlgorithm::SiPixelDigitizerAlgorithm().

float fitWZ::sysEff = 0.013

Definition at line 15 of file fitWZ.py.

float fitWZ::wxsection = 9.922

Definition at line 11 of file fitWZ.py.

float fitWZ::zxsection = 0.924

Definition at line 13 of file fitWZ.py.