Drake
Drake C++ Documentation
CspaceFreePolytope::SeparatingPlaneLagrangians Class Reference

Detailed Description

When searching for the separating plane, we want to certify that the numerator of a rational is non-negative in the C-space region C*s<=d, s_lower <= s <= s_upper.

Hence for each of the rational we will introduce Lagrangian multipliers for the polytopic constraint d-C*s >= 0, s - s_lower >= 0, s_upper - s >= 0.

#include <drake/geometry/optimization/cspace_free_polytope.h>

Public Member Functions

 SeparatingPlaneLagrangians (int C_rows, int s_size)
 
SeparatingPlaneLagrangians GetSolution (const solvers::MathematicalProgramResult &result) const
 Substitutes the decision variables in each Lagrangians with its value in result, returns the substitution result. More...
 
const VectorX< symbolic::Polynomial > & polytope () const
 The Lagrangians for d - C*s >= 0. More...
 
VectorX< symbolic::Polynomial > & mutable_polytope ()
 The Lagrangians for d - C*s >= 0. More...
 
const VectorX< symbolic::Polynomial > & s_lower () const
 The Lagrangians for s - s_lower >= 0. More...
 
VectorX< symbolic::Polynomial > & mutable_s_lower ()
 The Lagrangians for s - s_lower >= 0. More...
 
const VectorX< symbolic::Polynomial > & s_upper () const
 The Lagrangians for s_upper - s >= 0. More...
 
VectorX< symbolic::Polynomial > & mutable_s_upper ()
 The Lagrangians for s_upper - s >= 0. More...
 

Constructor & Destructor Documentation

◆ SeparatingPlaneLagrangians()

SeparatingPlaneLagrangians ( int  C_rows,
int  s_size 
)

Member Function Documentation

◆ GetSolution()

SeparatingPlaneLagrangians GetSolution ( const solvers::MathematicalProgramResult result) const

Substitutes the decision variables in each Lagrangians with its value in result, returns the substitution result.

◆ mutable_polytope()

VectorX<symbolic::Polynomial>& mutable_polytope ( )

The Lagrangians for d - C*s >= 0.

◆ mutable_s_lower()

VectorX<symbolic::Polynomial>& mutable_s_lower ( )

The Lagrangians for s - s_lower >= 0.

◆ mutable_s_upper()

VectorX<symbolic::Polynomial>& mutable_s_upper ( )

The Lagrangians for s_upper - s >= 0.

◆ polytope()

const VectorX<symbolic::Polynomial>& polytope ( ) const

The Lagrangians for d - C*s >= 0.

◆ s_lower()

const VectorX<symbolic::Polynomial>& s_lower ( ) const

The Lagrangians for s - s_lower >= 0.

◆ s_upper()

const VectorX<symbolic::Polynomial>& s_upper ( ) const

The Lagrangians for s_upper - s >= 0.


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