ROOT::Math::IMinimizer1D Class Reference

Interface class for numerical methods for one-dimensional minimization.

Definition at line 39 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.
virtual double	FValMinimum () const =0
	Return function value at current estimate of the minimum.
virtual double	FValUpper () const =0
	Return function value at current upper bound of the minimization interval.
virtual int	Iterations () const =0
	Return number of iteration used to find minimum.
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.
virtual const char *	Name () const =0
	Return name of minimization algorithm.
virtual int	Status () const =0
	Returns the status of the previous estimate.
virtual double	XLower () const =0
	Return current lower bound of the minimization interval.
virtual double	XMinimum () const =0
	Return current estimate of the position of the minimum.
virtual double	XUpper () const =0
	Return current upper bound of the minimization interval.

#include <Math/IMinimizer1D.h>

Inheritance diagram for ROOT::Math::IMinimizer1D:

Constructor & Destructor Documentation

IMinimizer1D()

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

inline

Definition at line 43 of file IMinimizer1D.h.

~IMinimizer1D()

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

inlinevirtual

Definition at line 44 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.

Name()

virtual const char * ROOT::Math::IMinimizer1D::Name ( ) const

pure virtual

Return name of minimization algorithm.

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

Status()

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

pure virtual

Returns the status of the previous estimate.

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

XLower()

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

pure virtual

Return current lower bound of the minimization interval.

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

XMinimum()

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

pure virtual

Return current estimate of the position of the minimum.

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

XUpper()

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

pure virtual

Return current upper bound of the minimization interval.

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

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

• math/mathcore/inc/Math/IMinimizer1D.h