ROOT::Minuit2::MnParabola Class Reference

This class defines a parabola of the form a*x*x + b*x + c.

Author

Fred James and Matthias Winkler; comments added by Andras Zsenei and Lorenzo Moneta

Definition at line 30 of file MnParabola.h.

Public Member Functions
	MnParabola (double a, double b, double c)
	Constructor that initializes the parabola with its three parameters.
double	A () const
	Get the coefficient of the quadratic term.
double	B () const
	Get the coefficient of the linear term.
double	C () const
	Get the coefficient of the constant term.
double	Min () const
	Calculate the x coordinate of the Minimum of the parabola.
double	Y (double x) const
	Evaluates the parabola a the point x.
double	YMin () const
	Calculate the y coordinate of the Minimum of the parabola.

Private Attributes
double	fA
double	fB
double	fC

#include <Minuit2/MnParabola.h>

Constructor & Destructor Documentation

MnParabola()

ROOT::Minuit2::MnParabola::MnParabola ( double a, double b, double c )

inline

Constructor that initializes the parabola with its three parameters.

Parameters

a	the coefficient of the quadratic term.
b	the coefficient of the linear term.
c	the constant.

Definition at line 38 of file MnParabola.h.

Member Function Documentation

A()

double ROOT::Minuit2::MnParabola::A ( ) const

inline

Get the coefficient of the quadratic term.

Definition at line 50 of file MnParabola.h.

B()

double ROOT::Minuit2::MnParabola::B ( ) const

inline

Get the coefficient of the linear term.

Definition at line 53 of file MnParabola.h.

C()

double ROOT::Minuit2::MnParabola::C ( ) const

inline

Get the coefficient of the constant term.

Definition at line 56 of file MnParabola.h.

Min()

double ROOT::Minuit2::MnParabola::Min ( ) const

inline

Calculate the x coordinate of the Minimum of the parabola.

Definition at line 44 of file MnParabola.h.

Y()

double ROOT::Minuit2::MnParabola::Y ( double x ) const

inline

Evaluates the parabola a the point x.

Definition at line 41 of file MnParabola.h.

YMin()

double ROOT::Minuit2::MnParabola::YMin ( ) const

inline

Calculate the y coordinate of the Minimum of the parabola.

Definition at line 47 of file MnParabola.h.

Member Data Documentation

fA

double ROOT::Minuit2::MnParabola::fA

private

Definition at line 59 of file MnParabola.h.

fB

double ROOT::Minuit2::MnParabola::fB

private

Definition at line 60 of file MnParabola.h.

fC

double ROOT::Minuit2::MnParabola::fC

private

Definition at line 61 of file MnParabola.h.

Libraries for ROOT::Minuit2::MnParabola:

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The documentation for this class was generated from the following file:

• math/minuit2/inc/Minuit2/MnParabola.h