in order to pass a ConicBundle::BundleProxObject, see Quadratic Proximal Terms, to a custzomized QPSolverObject, the prox classes are also derived from this object More...
#include <QPSolverObject.hxx>
Public Member Functions | |
| virtual | ~QPSolverProxObject () |
| virtual destructor | |
| virtual bool | is_DLR () const =0 |
| return true if H is of the form diagonal matrix plus Gram matrix of a low rank matrix | |
| virtual int | add_H (CH_Matrix_Classes::Symmatrix &big_sym, CH_Matrix_Classes::Integer start_index=0) const =0 |
| add H to the dense symmetric matrix as a principal submatrix starting at position start_index | |
| virtual CH_Matrix_Classes::Matrix & | add_Hx (const CH_Matrix_Classes::Matrix &x, CH_Matrix_Classes::Matrix &outplusHx, CH_Matrix_Classes::Real alpha=1.) const =0 |
add  to outplusHx and return this | |
| virtual CH_Matrix_Classes::Matrix & | apply_Hinv (CH_Matrix_Classes::Matrix &x) const =0 |
returns  , possibly transformed by some AffineFunctionTransformation More... | |
| virtual void | get_precond (CH_Matrix_Classes::Matrix &D, const CH_Matrix_Classes::Matrix *&Vp) const =0 |
return  which either equals $H$ exactly (iff is_DLR() returns true) or, if not, serves as an approximation hopefully suitable for preconditioning. If $V$ is available it may be large, so return only a pointer to avoid copying. If no $V$ is available, then put Vp==0 on exit. | |
| virtual void | set_short_QPsteps (CH_Matrix_Classes::Integer shortQPst)=0 |
| may be used to indicate seemingly conservative step sizes possibly due to the quadratic term | |
| virtual CH_Matrix_Classes::Integer | get_short_QPsteps ()=0 |
| retrieves the number of conservative step sizes possibly due to the quadratic term passed on to this | |
Detailed Description
in order to pass a ConicBundle::BundleProxObject, see Quadratic Proximal Terms, to a custzomized QPSolverObject, the prox classes are also derived from this object
Member Function Documentation
◆ apply_Hinv()
|
pure virtual |
returns , possibly transformed by some AffineFunctionTransformation
If a stack of instances of AffineFunctionTransformation has been added by push_aft() and A_1 to A_k are on the stack with A_k on top, then it returns 
Implemented in ConicBundle::BundleDiagonalTrustRegionProx, ConicBundle::BundleLowRankTrustRegionProx, ConicBundle::BundleDenseTrustRegionProx, ConicBundle::BundleProxObject, ConicBundle::BundleDLRTrustRegionProx, and ConicBundle::BundleIdProx.
The documentation for this class was generated from the following file:
