Solver class

This class is used to represent solvers for optimization. Only experts should use the fields and methods for this class directly.

See also

Other classes: Constraint-class, Decision-class, MultiObjApproach-class, MultiObjProjectProblem-class, Objective-class, OptimizationProblem-class, ProjectModifier-class, ProjectProblem-class, Target-class, Weight-class

Super class

ProjectModifier -> Solver

Public fields

has_pwlobj

logical indicating if solver supports piece-wise linear components in an objective function.

Methods

Public methods

• Solver$set_start_solution()

• Solver$remove_start_solution()

• Solver$solve()

• Solver$clone()

Inherited methods

• ProjectModifier$apply()
• ProjectModifier$calculate()
• ProjectModifier$get_data()
• ProjectModifier$get_internal()
• ProjectModifier$print()
• ProjectModifier$repr()
• ProjectModifier$set_data()
• ProjectModifier$set_internal()
• ProjectModifier$show()

---

Solver$set_start_solution()

Set start solution.

Usage

Solver$set_start_solution(x)

Arguments

x

numeric vector.

Returns

Invisible TRUE.

---

Solver$remove_start_solution()

Remove start solution.

Usage

Solver$remove_start_solution(x)

Arguments

x

numeric vector.

Returns

Invisible TRUE.

---

Solver$solve()

Solve an optimization problem.

Usage

Solver$solve(x, ...)

Arguments

x

new_optimization_problem() object.

...

Additional arguments as needed.

Returns

Invisible TRUE.

---

Solver$clone()

The objects of this class are cloneable with this method.

Usage

Solver$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.