rat42_functor Struct Reference

Inheritance diagram for rat42_functor:

Public Member Functions
	rat42_functor (void)
int	operator() (const VectorXd &b, VectorXd &fvec)
int	df (const VectorXd &b, MatrixXd &fjac)
	rat42_functor (void)
int	operator() (const VectorXd &b, VectorXd &fvec)
int	df (const VectorXd &b, MatrixXd &fjac)
Public Member Functions inherited from Eigen::DenseFunctor< double >
	DenseFunctor ()
	DenseFunctor (int inputs, int values)
int	inputs () const
int	values () const
Public Member Functions inherited from Functor< double >
	Functor ()
	Functor (int inputs, int values)
	Functor ()
	Functor (int inputs_, int values_)
int	inputs () const
int	inputs () const
int	values () const
int	values () const

Static Public Attributes
static const double	x [9]
static const double	y [9]

Additional Inherited Members
Public Types inherited from Eigen::DenseFunctor< double >
enum
typedef double	Scalar
typedef Matrix< Scalar, InputsAtCompileTime, 1 >	InputType
typedef Matrix< Scalar, ValuesAtCompileTime, 1 >	ValueType
typedef Matrix< Scalar, ValuesAtCompileTime, InputsAtCompileTime >	JacobianType
typedef ColPivHouseholderQR< JacobianType >	QRSolver
Public Types inherited from Functor< double >
enum
enum
typedef double	Scalar
typedef double	Scalar
typedef Matrix< Scalar, InputsAtCompileTime, 1 >	InputType
typedef Matrix< Scalar, InputsAtCompileTime, 1 >	InputType
typedef Matrix< Scalar, ValuesAtCompileTime, 1 >	ValueType
typedef Matrix< Scalar, ValuesAtCompileTime, 1 >	ValueType
typedef Matrix< Scalar, ValuesAtCompileTime, InputsAtCompileTime >	JacobianType
typedef Matrix< Scalar, ValuesAtCompileTime, InputsAtCompileTime >	JacobianType
Public Attributes inherited from Eigen::DenseFunctor< double >
const int	m_inputs
const int	m_values
Public Attributes inherited from Functor< double >
const int	m_inputs
int	m_inputs
const int	m_values
int	m_values

Constructor & Destructor Documentation

rat42_functor() [1/2]

rat42_functor::rat42_functor ( void  )

inline

: DenseFunctor<double>(3, 9) {}

rat42_functor() [2/2]

rat42_functor::rat42_functor ( void  )

inline

: Functor<double>(3, 9) {}

Member Function Documentation

df() [1/2]

int rat42_functor::df ( const VectorXd &  b, MatrixXd &  fjac  )

inline

                                            {
    assert(b.size() == 3);
    assert(fjac.rows() == 9);
    assert(fjac.cols() == 3);
    for (int i = 0; i < 9; i++) {
      double e = exp(b[1] - b[2] * x[i]);
      fjac(i, 0) = 1. / (1. + e);
      fjac(i, 1) = -b[0] * e / (1. + e) / (1. + e);
      fjac(i, 2) = +b[0] * e * x[i] / (1. + e) / (1. + e);
    }
    return 0;
  }

References assert, b, e(), Eigen::bfloat16_impl::exp(), i, and x.

df() [2/2]

int rat42_functor::df ( const VectorXd &  b, MatrixXd &  fjac  )

inline

                                            {
    assert(b.size() == 3);
    assert(fjac.rows() == 9);
    assert(fjac.cols() == 3);
    for (int i = 0; i < 9; i++) {
      double e = exp(b[1] - b[2] * x[i]);
      fjac(i, 0) = 1. / (1. + e);
      fjac(i, 1) = -b[0] * e / (1. + e) / (1. + e);
      fjac(i, 2) = +b[0] * e * x[i] / (1. + e) / (1. + e);
    }
    return 0;
  }

References assert, b, e(), Eigen::bfloat16_impl::exp(), i, and x.

operator()() [1/2]

int rat42_functor::operator() ( const VectorXd &  b, VectorXd &  fvec  )

inline

                                                    {
    assert(b.size() == 3);
    assert(fvec.size() == 9);
    for (int i = 0; i < 9; i++) {
      fvec[i] = b[0] / (1. + exp(b[1] - b[2] * x[i])) - y[i];
    }
    return 0;
  }

References assert, b, Eigen::bfloat16_impl::exp(), i, x, and y.

operator()() [2/2]

int rat42_functor::operator() ( const VectorXd &  b, VectorXd &  fvec  )

inline

                                                    {
    assert(b.size() == 3);
    assert(fvec.size() == 9);
    for (int i = 0; i < 9; i++) {
      fvec[i] = b[0] / (1. + exp(b[1] - b[2] * x[i])) - y[i];
    }
    return 0;
  }

References assert, b, Eigen::bfloat16_impl::exp(), i, x, and y.

Member Data Documentation

x

const double rat42_functor::x

static

Initial value:

= {9.000E0,  14.000E0, 21.000E0, 28.000E0, 42.000E0,
                                    57.000E0, 63.000E0, 70.000E0, 79.000E0}

Referenced by df(), and operator()().

y

const double rat42_functor::y

static

Initial value:

= {8.930E0,  10.800E0, 18.590E0, 22.330E0, 39.350E0,
                                    56.110E0, 61.730E0, 64.620E0, 67.080E0}

Referenced by operator()().

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The documentation for this struct was generated from the following files:

• levenberg_marquardt.cpp
• NonLinearOptimization.cpp