PolyFit.hh

 
#ifndef GRAMODS_MISC_POLYFIT
#define GRAMODS_MISC_POLYFIT
 
#include <gmMisc/config.hh>
 
#ifdef gramods_ENABLE_Eigen3
 
#include <Eigen/Eigen>
#include <memory>
 
BEGIN_NAMESPACE_GMMISC
 
class PolyFit {
 
public:
  typedef Eigen::Matrix<double, Eigen::Dynamic, Eigen::Dynamic> polco;
 
  PolyFit(size_t idim, size_t odim, size_t ord);
 
  PolyFit(const std::vector<std::vector<double>> &invals,
          const std::vector<std::vector<double>> &outvals,
          size_t ord);
 
  ~PolyFit();
 
  void addSample(const std::vector<double> &inval,
                 const std::vector<double> &outval);
 
  polco estimateCoefficients() const;
 
  std::vector<double> getValue(const std::vector<double> &inval) const;
 
  Eigen::MatrixXd getJacobian(const std::vector<double> &in_values) const;
 
  double getSingle(double inval) const;
 
  double getDerivative(double inval) const;
 
  void clear();
 
private:
 
  struct Impl;
  std::unique_ptr<Impl> _impl;
 
};
 
END_NAMESPACE_GMMISC
 
#endif
#endif