ROOT
v6-22
Reference Guide
mathcoreStatFunc.C
Go to the documentation of this file.
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/// \file
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/// \ingroup tutorial_math
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/// \notebook
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/// Example macro showing some major probability density functions in ROOT.
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/// The macro shows four of them with
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/// respect to their two variables. In order to run the macro type:
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///
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/// ~~~{.cpp}
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/// root [0] .x mathcoreStatFunc.C
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/// ~~~
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///
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/// \macro_image
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/// \macro_code
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///
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/// \author Andras Zsenei
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#include "
TF2.h
"
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#include "
TSystem.h
"
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#include "
TCanvas.h
"
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void
mathcoreStatFunc
() {
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TF2
*f1a =
new
TF2
(
"f1a"
,
"ROOT::Math::cauchy_pdf(x, y)"
,0,10,0,10);
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TF2
*f2a =
new
TF2
(
"f2a"
,
"ROOT::Math::chisquared_pdf(x,y)"
,0,20, 0,20);
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TF2
*f3a =
new
TF2
(
"f3a"
,
"ROOT::Math::gaussian_pdf(x,y)"
,0,10,0,5);
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TF2
*f4a =
new
TF2
(
"f4a"
,
"ROOT::Math::tdistribution_pdf(x,y)"
,0,10,0,5);
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TCanvas
*
c1
=
new
TCanvas
(
"c1"
,
"c1"
,800,650);
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c1
->Divide(2,2);
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c1
->cd(1); f1a->
SetLineWidth
(1);
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f1a->
Draw
(
"surf1"
);
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c1
->cd(2); f2a->
SetLineWidth
(1);
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f2a->
Draw
(
"surf1"
);
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c1
->cd(3); f3a->
SetLineWidth
(1);
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f3a->
Draw
(
"surf1"
);
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c1
->cd(4); f4a->
SetLineWidth
(1);
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f4a->
Draw
(
"surf1"
);
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}
TCanvas.h
TF2.h
TSystem.h
TAttLine::SetLineWidth
virtual void SetLineWidth(Width_t lwidth)
Set the line width.
Definition:
TAttLine.h:43
TCanvas
The Canvas class.
Definition:
TCanvas.h:27
TF2
A 2-Dim function with parameters.
Definition:
TF2.h:29
TF2::Draw
virtual void Draw(Option_t *option="")
Draw this function with its current attributes.
Definition:
TF2.cxx:241
c1
return c1
Definition:
legend1.C:41
mathcoreStatFunc
Definition:
mathcoreStatFunc.py:1
tutorials
math
mathcoreStatFunc.C
ROOT v6-22 - Reference Guide Generated on Fri Apr 1 2022 11:53:29 (GVA Time) using Doxygen 1.9.4