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Reference Guide
PdfFuncMathCore.cxx File Reference
#include "Math/Math.h"
#include "Math/SpecFuncMathCore.h"
#include <limits>
Include dependency graph for PdfFuncMathCore.cxx:

Namespaces

 ROOT
 VSD Structures.
 
 ROOT::Math
 

Functions

Probability Density Functions from MathCore

Additional PDF's are provided in the MathMore library (see PDF functions from MathMore)

double ROOT::Math::landau_pdf (double x, double xi=1, double x0=0)
 Probability density function of the Landau distribution:

\[ p(x) = \frac{1}{\xi} \phi (\lambda) \]

with

\[ \phi(\lambda) = \frac{1}{2 \pi i}\int_{c-i\infty}^{c+i\infty} e^{\lambda s + s \log{s}} ds\]

where \(\lambda = (x-x_0)/\xi\). More...