LMFitter.h

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/* -*- mode: c++ -*- */

#ifndef _LMFitter_H_
#define _LMFitter_H_

#include "Fitter.h"

namespace hippodraw {

class MDL_HIPPOPLOT_API LMFitter : public Fitter
{

private:

  LMFitter ( const LMFitter & );

  std::vector < std::vector < double > > m_alpha;

  std::vector < double > m_beta;

  double m_chi_cutoff;

  double m_start_lambda;

  double m_lambda;

  double m_lambda_shrink_factor;

  double m_lambda_expand_factor;
  
public:

  LMFitter ( const char * name );

  Fitter * clone () const;

  virtual bool calcBestFit ();

  virtual bool calcStep ();

  virtual void calcAlpha ();

  virtual int calcCovariance ( std::vector< std::vector < double > >& cov );
        
  virtual bool solveSystem ();

  virtual void setFCN ( StatedFCN * fcn );

};

} // namespace hippodraw

#endif // _LMFitter_H_

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