** 13 **MIGRAD 1000 1
FIRST CALL TO USER FUNCTION AT NEW START POINT, WITH IFLAG=4.
START MIGRAD MINIMIZATION. STRATEGY 1. CONVERGENCE WHEN EDM .LT. 1.00e-03
FCN=5.01755e+06 FROM MIGRAD STATUS=INITIATE 10 CALLS 11 TOTAL
EDM= unknown STRATEGY= 1 NO ERROR MATRIX
EXT PARAMETER CURRENT GUESS STEP FIRST
NO. NAME VALUE ERROR SIZE DERIVATIVE
1 mean 3.00000e+00 5.00000e-01 2.05758e-01 1.15672e+04
2 sigma 1.00000e+00 2.00000e-01 2.01358e-01 -2.68878e+03
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] WARNING:Minization – RooFitGlue: Minimized function has error status.
Returning maximum FCN so far (5.08994e+06) to force MIGRAD to back out of this region. Error log follows
Parameter values: mean=2.56853, sigma=0.00109087
RooGaussian::gauss[ x=x mean=mean sigma=sigma ]
p.d.f normalization integral is zero or negative @ x=x=2.2421, mean=mean=2.56853, sigma=sigma=0.00109087
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] WARNING:Minization – RooFitGlue: Minimized function has error status.
Returning maximum FCN so far (5.08994e+06) to force MIGRAD to back out of this region. Error log follows
Parameter values: mean=2.56534, sigma=0.0012987
RooGaussian::gauss[ x=x mean=mean sigma=sigma ]
p.d.f normalization integral is zero or negative @ x=x=2.2421, mean=mean=2.56534, sigma=sigma=0.0012987
MINUIT WARNING IN MIGRAD
============== Negative diagonal element 2 in Error Matrix
MINUIT WARNING IN MIGRAD
============== 1 added to diagonal of error matrix
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] WARNING:Minization – RooFitGlue: Minimized function has error status.
Returning maximum FCN so far (4.59974e+07) to force MIGRAD to back out of this region. Error log follows
Parameter values: mean=0.40141, sigma=0.185965
RooGaussian::gauss[ x=x mean=mean sigma=sigma ]
p.d.f normalization integral is zero or negative @ x=x=2.2421, mean=mean=0.40141, sigma=sigma=0.185965
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] WARNING:Minization – RooFitGlue: Minimized function has error status.
Returning maximum FCN so far (4.59974e+07) to force MIGRAD to back out of this region. Error log follows
Parameter values: mean=0.466018, sigma=0.173745
RooGaussian::gauss[ x=x mean=mean sigma=sigma ]
p.d.f normalization integral is zero or negative @ x=x=2.2421, mean=mean=0.466018, sigma=sigma=0.173745
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] WARNING:Minization – RooFitGlue: Minimized function has error status.
Returning maximum FCN so far (4.59974e+07) to force MIGRAD to back out of this region. Error log follows
Parameter values: mean=4.78255, sigma=0.179645
RooGaussian::gauss[ x=x mean=mean sigma=sigma ]
p.d.f normalization integral is zero or negative @ x=x=2.2421, mean=mean=4.78255, sigma=sigma=0.179645
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] WARNING:Minization – RooFitGlue: Minimized function has error status.
Returning maximum FCN so far (4.59974e+07) to force MIGRAD to back out of this region. Error log follows
Parameter values: mean=0.00476031, sigma=0.129713
RooGaussian::gauss[ x=x mean=mean sigma=sigma ]
p.d.f normalization integral is zero or negative @ x=x=2.2421, mean=mean=0.00476031, sigma=sigma=0.129713
MIGRAD FAILS TO FIND IMPROVEMENT
MINUIT WARNING IN HESSE
============== Negative diagonal element 2 in Error Matrix
MINUIT WARNING IN HESSE
============== 5.1042e+07 added to diagonal of error matrix
EIGENVALUES OF SECOND-DERIVATIVE MATRIX:
-5.0839e+03 5.0859e+03
MINUIT WARNING IN HESSE
============== MATRIX FORCED POS-DEF BY ADDING 5089.019461 TO DIAGONAL.
FCN=4.54976e+06 FROM HESSE STATUS=NOT POSDEF 10 CALLS 108 TOTAL
EDM=1.0322e+12 STRATEGY= 1 ERR MATRIX NOT POS-DEF
EXT PARAMETER APPROXIMATE STEP FIRST
NO. NAME VALUE ERROR SIZE DERIVATIVE
1 mean 2.29962e+00 2.71180e-05 3.67071e-05 1.04271e+07
2 sigma 6.13512e-02 1.47996e-01 2.06165e-04 4.58105e+06
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
MIGRAD MINIMIZATION HAS CONVERGED.
MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX.
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
MINUIT WARNING IN HESSE
============== Second derivative enters zero, param 1
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] WARNING:Minization – RooFitGlue: Minimized function has error status.
Returning maximum FCN so far (4.59974e+07) to force MIGRAD to back out of this region. Error log follows
Parameter values: mean=2.22767, sigma=5.32639e-07
RooGaussian::gauss[ x=x mean=mean sigma=sigma ]
p.d.f normalization integral is zero or negative @ x=x=2.2421, mean=mean=2.22767, sigma=sigma=5.32639e-07
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] WARNING:Minization – RooFitGlue: Minimized function has error status.
Returning maximum FCN so far (4.59974e+07) to force MIGRAD to back out of this region. Error log follows
Parameter values: mean=2.22767, sigma=5.32639e-07
RooGaussian::gauss[ x=x mean=mean sigma=sigma ]
p.d.f normalization integral is zero or negative @ x=x=2.2421, mean=mean=2.22767, sigma=sigma=5.32639e-07
MINUIT WARNING IN HESSE
============== Second derivative enters zero, param 2
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 4 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 4 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
EIGENVALUES OF SECOND-DERIVATIVE MATRIX:
-1.9775e+05 1.9775e+05
MINUIT WARNING IN HESSE
============== MATRIX FORCED POS-DEF BY ADDING 197945.357307 TO DIAGONAL.
MIGRAD TERMINATED WITHOUT CONVERGENCE.
FCN=0 FROM MIGRAD STATUS=FAILED 153 CALLS 154 TOTAL
EDM=2.26306e+17 STRATEGY= 1 ERR MATRIX NOT POS-DEF
EXT PARAMETER APPROXIMATE STEP FIRST
NO. NAME VALUE ERROR SIZE DERIVATIVE
1 mean 2.24592e+00 1.91491e-07 7.34142e-03 -3.13273e+09
2 sigma 5.32639e-07 4.99600e-16 1.32149e-01 -1.54590e+21
EXTERNAL ERROR MATRIX. NDIM= 25 NPAR= 2 ERR DEF=1
3.667e-14 8.593e-23
8.593e-23 2.018e-31
ERR MATRIX NOT POS-DEF
PARAMETER CORRELATION COEFFICIENTS
NO. GLOBAL 1 2
1 0.99900 1.000 0.999
2 0.99900 0.999 1.000
ERR MATRIX NOT POS-DEF
** 18 **HESSE 1000
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] WARNING:Minization – RooFitGlue: Minimized function has error status.
Returning maximum FCN so far (4.37543e+20) to force MIGRAD to back out of this region. Error log follows
Parameter values: mean=2.22767, sigma=5.32639e-07
RooGaussian::gauss[ x=x mean=mean sigma=sigma ]
p.d.f normalization integral is zero or negative @ x=x=2.2421, mean=mean=2.22767 +/- 1.91491e-07, sigma=sigma=5.32639e-07 +/- 4.996e-16
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] WARNING:Minization – RooFitGlue: Minimized function has error status.
Returning maximum FCN so far (4.37543e+20) to force MIGRAD to back out of this region. Error log follows
Parameter values: mean=2.22767, sigma=5.32639e-07
RooGaussian::gauss[ x=x mean=mean sigma=sigma ]
p.d.f normalization integral is zero or negative @ x=x=2.2421, mean=mean=2.22767 +/- 1.91491e-07, sigma=sigma=5.32639e-07 +/- 4.996e-16
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
[#0] ERROR:Eval – RooChi2Var::RooChi2Var(chi2) INFINITY ERROR: bin 0 has zero error
COVARIANCE MATRIX CALCULATED SUCCESSFULLY
FCN=0 FROM HESSE STATUS=OK 14 CALLS 168 TOTAL
EDM=2.12403e+20 STRATEGY= 1 ERROR MATRIX ACCURATE
EXT PARAMETER INTERNAL INTERNAL
NO. NAME VALUE ERROR STEP SIZE VALUE
1 mean 2.24592e+00 1.23701e-12 7.34142e-03 -1.01808e-01
2 sigma 5.32639e-07 8.93730e-15 1.32149e-01 -8.81216e+02
EXTERNAL ERROR MATRIX. NDIM= 25 NPAR= 2 ERR DEF=1
1.530e-24 7.098e-28
7.098e-28 8.008e-29
PARAMETER CORRELATION COEFFICIENTS
NO. GLOBAL 1 2
1 0.06412 1.000 0.064
2 0.06412 0.064 1.000
RooFitResult: minimized FCN value: 0, estimated distance to minimum: 2.12403e+20
covariance matrix quality: Full, accurate covariance matrix
Status : MIGRAD=4 HESSE=0
Floating Parameter InitialValue FinalValue +/- Error GblCorr.
mean 3.0000e+00 2.2459e+00 +/- 1.24e-12 <none>
sigma 1.0000e+00 5.3264e-07 +/- 8.94e-15 <none>