14from __future__
import print_function
21x = ROOT.RooRealVar(
"x",
"x", -10, 10)
24gx = ROOT.RooGaussian(
"gx",
"gx", x, -2, 3)
30print(
"gx = ", gx.getVal())
34print(
"gx_Norm[x] = ", gx.getVal(nset))
38igx = gx.createIntegral({x})
39print(
"gx_Int[x] = ", igx.getVal())
45x.setRange(
"signal", -5, 5)
51igx_sig = gx.createIntegral(xset, NormSet=xset, Range=
"signal")
52print(
"gx_Int[x|signal]_Norm[x] = ", igx_sig.getVal())
59gx_cdf = gx.createCdf({x})
62frame = x.frame(Title=
"cdf of Gaussian pdf")
66c = ROOT.TCanvas(
"rf110_normintegration",
"rf110_normintegration", 600, 600)
67ROOT.gPad.SetLeftMargin(0.15)
68frame.GetYaxis().SetTitleOffset(1.6)
71c.SaveAs(
"rf110_normintegration.png")