---

AbsFvFxn.hpp

#ifndef _AbsFvFxn_H
#define _AbsFvFxn_H



#include <math.h>

#include "FloatVector.hpp"
#include "FloatSMatrix.hpp"

class AbsFvFxn
{
protected:

int             nVar;
int             nOut;

float   dx;

public:
AbsFvFxn(int numVars=2, int nOutputs=2){ nVars= numberOfVars; nOut= nOutputs; dx=1.0e-3;}
virtual ~AbsFvFxn(){}

virtual int numberOfVars(){return nVars;}
virtual int numberOfOutputs(){return nOut;}

virtual FloatVector* eval(FloatVector* x, FloatVector* dest=0)=0; // dest avoids recons

// first derivative
virtual FloatSMatrix* jacobian(FloatVector* x, FloatSMatrix* dest=0); 

// second derivative
virtual FloatSMatrix* hessian(FloatVector* x, FloatSMatrix* dest=0); 
};

#endif

Restoreinpaint sourceforge project `C++/Java Image Processing, Restoration, Inpainting Project'.

Bernard De Cuyper: Open Project Leader: Concept, design and development. Bernard De Cuyper & Eddy Fraiha 2002, 2003. Bernard De Cuyper 2004. Open and free, for friendly usage only. Modifications on Belgium ground of this piece of artistic work, by governement institutions or companies, must be notified to Bernard De Cuyper.