Processing /mnt/build/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=255.48 FROM MIGRAD STATUS=CONVERGED 122 CALLS 123 TOTAL
EDM=4.64807e-09 STRATEGY= 1 ERROR MATRIX UNCERTAINTY 10.2 per cent
EXT PARAMETER STEP FIRST
NO. NAME VALUE ERROR SIZE DERIVATIVE
1 p0 3.27071e+01 5.42412e-01 -6.32360e-04 1.16110e-05
2 p1 4.00009e+00 1.67310e-02 -1.06142e-06 -6.82284e-03
3 p2 9.92527e-01 1.32213e-02 5.15318e-06 1.51843e-03
4 p3 6.33528e+01 1.32838e+00 1.89837e-03 -3.62397e-06
fit1 : Real Time = 0.35 seconds Cpu Time = 0.34 seconds