Interface class for numerical methods for one-dimensional minimization.

Definition at line 50 of file IMinimizer1D.h.

Public Member Functions
	IMinimizer1D ()

virtual	~IMinimizer1D ()

virtual double	FValLower () const =0
	Return function value at current lower bound of the minimization interval. More...

virtual double	FValMinimum () const =0
	Return function value at current estimate of the minimum. More...

virtual double	FValUpper () const =0
	Return function value at current upper bound of the minimization interval. More...

virtual int	Iterations () const =0
	Return number of iteration used to find minimum. More...

virtual bool	Minimize (int maxIter, double absTol, double relTol)=0
	Find minimum position iterating until convergence specified by the absolute and relative tolerance or the maximum number of iteration is reached Return true if iterations converged successfully @param maxIter maximum number of iteration @param absTol desired absolute error in the minimum position @param absTol desired relative error in the minimum position. More...

virtual const char *	Name () const =0
	Return name of minimization algorithm. More...

virtual int	Status () const =0
	Returns the status of the previous estimate. More...

virtual double	XLower () const =0
	Return current lower bound of the minimization interval. More...

virtual double	XMinimum () const =0
	Return current estimate of the position of the minimum. More...

virtual double	XUpper () const =0
	Return current upper bound of the minimization interval. More...

#include <Math/IMinimizer1D.h>

Inheritance diagram for ROOT::Math::IMinimizer1D:

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Constructor & Destructor Documentation

◆ IMinimizer1D()

ROOT::Math::IMinimizer1D::IMinimizer1D ( )

inline

Definition at line 54 of file IMinimizer1D.h.

◆ ~IMinimizer1D()

virtual ROOT::Math::IMinimizer1D::~IMinimizer1D ( )

inlinevirtual

Definition at line 55 of file IMinimizer1D.h.

Member Function Documentation

◆ FValLower()

virtual double ROOT::Math::IMinimizer1D::FValLower ( ) const

pure virtual

Return function value at current lower bound of the minimization interval.

Implemented in ROOT::Math::BrentMinimizer1D, and ROOT::Math::GSLMinimizer1D.

◆ FValMinimum()

virtual double ROOT::Math::IMinimizer1D::FValMinimum ( ) const

pure virtual

Return function value at current estimate of the minimum.

Implemented in ROOT::Math::BrentMinimizer1D, and ROOT::Math::GSLMinimizer1D.

◆ FValUpper()

virtual double ROOT::Math::IMinimizer1D::FValUpper ( ) const

pure virtual

Return function value at current upper bound of the minimization interval.

Implemented in ROOT::Math::BrentMinimizer1D, and ROOT::Math::GSLMinimizer1D.

◆ Iterations()

virtual int ROOT::Math::IMinimizer1D::Iterations ( ) const

pure virtual

Return number of iteration used to find minimum.

Implemented in ROOT::Math::BrentMinimizer1D, and ROOT::Math::GSLMinimizer1D.

◆ Minimize()

virtual bool ROOT::Math::IMinimizer1D::Minimize	(	int	maxIter,
		double	absTol,
		double	relTol
	)

pure virtual

Find minimum position iterating until convergence specified by the absolute and relative tolerance or the maximum number of iteration is reached Return true if iterations converged successfully @param maxIter maximum number of iteration @param absTol desired absolute error in the minimum position @param absTol desired relative error in the minimum position.

Implemented in ROOT::Math::GSLMinimizer1D, and ROOT::Math::BrentMinimizer1D.