minitensor::Matyas< S, M > Class Template Reference

#include <MiniTensor_TestFunctions.h>

Inheritance diagram for minitensor::Matyas< S, M >:

Public Types
using	Base = Function_Base< Matyas< S, M >, S, M >

Public Member Functions
	Matyas ()
template<typename T , Index N>
T	value (Vector< T, N > const &x)
template<typename T , Index N>
Vector< T, N >	gradient (Vector< T, N > const &x) const
template<typename T , Index N>
Tensor< T, N >	hessian (Vector< T, N > const &x)
Public Member Functions inherited from minitensor::Function_Base< FunctionDerived, S, M >
	Function_Base ()
template<typename T , Index N>
T	value (FunctionDerived &f, Vector< T, N > const &x)
template<typename T , Index N>
Vector< T, N >	gradient (FunctionDerived &f, Vector< T, N > const &x)
template<typename T , Index N>
Vector< T, N >	residual (FunctionDerived &f, Vector< T, N > const &x)
template<typename T , Index N>
Tensor< T, N >	hessian (FunctionDerived &f, Vector< T, N > const &x)
void	set_failed (char const *const msg=nullptr)
bool	get_failed ()
void	clear_failed ()
void	set_failure_message (char const *const msg=nullptr)
char const *	get_failure_message ()

Static Public Attributes
static constexpr char const *const	NAME {"Matyas"}
Static Public Attributes inherited from minitensor::Function_Base< FunctionDerived, S, M >
static constexpr Index	DIMENSION {M}

Additional Inherited Members
Protected Attributes inherited from minitensor::Function_Base< FunctionDerived, S, M >
bool	failed {false}
char const *	failure_message {nullptr}
	Keep a message to inform what went wrong above.

Detailed Description

template<typename S, Index M = 2>
class minitensor::Matyas< S, M >

Matyas function NLS: the residual is the gradient of \( 0.26(x_1^2+x_2^2) - 0.48 x_1 x_2 \). Two-dimensional, convex but ill-conditioned; minimum at the origin.

Definition at line 403 of file MiniTensor_TestFunctions.h.

Member Typedef Documentation

Base

template<typename S , Index M = 2>

using minitensor::Matyas< S, M >::Base = Function_Base<Matyas<S, M>, S, M>

Base class type.

Definition at line 422 of file MiniTensor_TestFunctions.h.

Constructor & Destructor Documentation

Matyas()

template<typename S , Index M = 2>

minitensor::Matyas< S, M >::Matyas ( )

inline

Constructor.

Definition at line 410 of file MiniTensor_TestFunctions.h.

Member Function Documentation

value()

template<typename S , Index M = 2>

template<typename T , Index N>

T minitensor::Matyas< S, M >::value ( Vector< T, N > const &  x )

inline

Objective value.

Definition at line 430 of file MiniTensor_TestFunctions.h.

gradient()

template<typename S , Index M = 2>

template<typename T , Index N>

Vector< T, N > minitensor::Matyas< S, M >::gradient ( Vector< T, N > const &  x ) const

inline

Gradient of the objective.

Definition at line 441 of file MiniTensor_TestFunctions.h.

hessian()

template<typename S , Index M = 2>

template<typename T , Index N>

Tensor< T, N > minitensor::Matyas< S, M >::hessian ( Vector< T, N > const &  x )

inline

Hessian of the objective.

Definition at line 463 of file MiniTensor_TestFunctions.h.

Member Data Documentation

NAME

template<typename S , Index M = 2>

constexpr char const* const minitensor::Matyas< S, M >::NAME {"Matyas"}

staticconstexpr

Function name.

Definition at line 417 of file MiniTensor_TestFunctions.h.

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The documentation for this class was generated from the following file:

• MiniTensor_TestFunctions.h