num_collect::opt::concepts::twice_differentiable_objective_function Concept Reference

Concept of second-order differentiable objective functions in optimization. More...

#include <num_collect/opt/concepts/twice_differentiable_objective_function.h>

Concept definition

template<typename T>
concept num_collect::opt::concepts::twice_differentiable_objective_function = 
    differentiable_objective_function<T> && requires(const T& obj) {
        typename T::hessian_type;
 
        {
            obj.hessian()
        } -> base::concepts::const_reference_of<typename T::hessian_type>;
    }

Detailed Description

Concept of second-order differentiable objective functions in optimization.

Template Parameters

T

Type.

Definition at line 34 of file twice_differentiable_objective_function.h.