Processing /mnt/vdb/lsf/workspace/root-makedoc-v608/rootspi/rdoc/src/v6-08-00-patches/tutorials/fit/fit1.C...
TFile** fillrandom.root
TFile* fillrandom.root
KEY: TFormula form1;1 abs(sin(x)/x)
KEY: TF1 sqroot;1 x*gaus(0) + [3]*form1
KEY: TH1F h1f;1 Test random numbers
Formula based function: sqroot
sqroot : x*gaus(0) + [3]*form1 Ndim= 1, Npar= 4, Number= 0
Formula expression:
x*[p0]*exp(-0.5*((x-[p1])/[p2])*((x-[p1])/[p2]))+[p3]*(abs(sin(x)/x))
FCN=227.072 FROM MIGRAD STATUS=CONVERGED 151 CALLS 152 TOTAL
EDM=1.70589e-08 STRATEGY= 1 ERROR MATRIX ACCURATE
EXT PARAMETER STEP FIRST
NO. NAME VALUE ERROR SIZE DERIVATIVE
1 p0 3.38761e+01 5.48516e-01 3.27964e-03 -3.84524e-04
2 p1 3.99290e+00 1.65535e-02 9.90380e-05 -6.69119e-03
3 p2 9.63145e-01 1.21657e-02 6.10278e-05 -1.68758e-02
4 p3 6.34107e+01 1.32066e+00 9.33049e-03 -6.31545e-05
fit1 : Real Time = 0.42 seconds Cpu Time = 0.42 seconds