Algo: ExtremeFinderND Class Reference

Finds the nearest local extreme position in ND's. More...

Inheritance diagram for ExtremeFinderND:

List of all members.

Public Member Functions
	ExtremeFinderND (const FloatMathFunctionND &, bool max, int itermax)
virtual	~ExtremeFinderND ()
template<class IDXABL >
void	setStartPos (const IDXABL &sp)
int	nextStep ()
int	nrIter () const
float	extremeVal ()
const float *	extremePos ()
template<class IDXABL >
void	extremePos (IDXABL &sp) const
	Sets the sp variable to the extreme position.
Private Member Functions
float	linExtreme (float *)
Private Attributes
float *	p
ObjectSet< float >	xi
float	ftol
int	n
int	iter
float	fret
float *	pt
const bool	max
const int	itermax
const FloatMathFunctionND &	func

Detailed Description

Finds the nearest local extreme position in ND's.

Implementation of Powell's Quadratically Convergent Method

Note:: The implementation is not tested (yet) 030512.

Constructor & Destructor Documentation

ExtremeFinderND::ExtremeFinderND	(	const FloatMathFunctionND &	,
		bool	max,
		int	itermax
	)

Parameters:

	func	The function to be searched
	max	Specifies wether a min or max should be searched for
	itermax	The maximum number of iterations

virtual ExtremeFinderND::~ExtremeFinderND ( ) [virtual]

Member Function Documentation

const float* ExtremeFinderND::extremePos ( ) [inline]

Returns:: A pointer to the extreme positions

template<class IDXABL >

void ExtremeFinderND::extremePos ( IDXABL & sp ) const [inline]

Sets the sp variable to the extreme position.

float ExtremeFinderND::extremeVal ( ) [inline]

Returns:: The extreme value

float ExtremeFinderND::linExtreme ( float * ) [private]

int ExtremeFinderND::nextStep ( ) [virtual]

Implements SequentialTask.

int ExtremeFinderND::nrIter ( ) const

Returns:: The number of iterations

template<class IDXABL >

void ExtremeFinderND::setStartPos ( const IDXABL & sp ) [inline]

Member Data Documentation

float ExtremeFinderND::fret [private]

float ExtremeFinderND::ftol [private]

const FloatMathFunctionND& ExtremeFinderND::func [private]

int ExtremeFinderND::iter [private]

const int ExtremeFinderND::itermax [private]

const bool ExtremeFinderND::max [private]

int ExtremeFinderND::n [private]

float* ExtremeFinderND::p [private]

float* ExtremeFinderND::pt [private]

ObjectSet<float> ExtremeFinderND::xi [private]