num_collect::ode::concepts::update_equation_solver Concept Reference

Concept of classes solve equations of implicit updates. More...

#include <num_collect/ode/concepts/update_equation_solver.h>

Concept definition

template<typename T>
concept num_collect::ode::concepts::update_equation_solver = 
    ode::concepts::ode_equation_solver<T> && requires() {
        requires requires(T& obj, typename T::problem_type& problem,
            typename T::scalar_type time, typename T::scalar_type step_size,
            const typename T::variable_type& variable,
            typename T::scalar_type solution_coeff) {
            obj.update_jacobian(
                problem, time, step_size, variable, solution_coeff);
        };
 
        requires requires(T& obj,
            const typename T::variable_type& solution_offset,
            typename T::variable_type& solution) {
            obj.init(solution_offset, solution);
        };
 
        requires requires(const typename T::scalar_type& time, T& obj,
            const typename T::variable_type& solution_offset,
            typename T::variable_type& solution) {
            obj.init(time, solution_offset, solution);
        };
 
        requires requires(const T& obj) {
            {
                obj.solution_offset()
            } -> base::concepts::const_reference_of<typename T::variable_type>;
        };
    }

Detailed Description

Concept of classes solve equations of implicit updates.

This type of classes solves following equation:

\[ \boldsymbol{z}_i = h a_{ii} \boldsymbol{f}\left(t + b_i h, \boldsymbol{y}(t) + \boldsymbol{z}_i \right) + \boldsymbol{z}_{offset} \]

Template Parameters

T

Type.

Definition at line 43 of file update_equation_solver.h.