HCL_OpDefaultDeriv_d is a linear operator class implementing the derivative of a nonlinear operator
![]() | HCL_OpDefaultDeriv_d ( const HCL_EvaluateOp_d * ev ) Usual constructor; just needs an operator's evaluation object |
![]() | Domain () const Domain space access |
![]() | Range () const Range space access |
![]() | Image ( const HCL_Vector_d & x, HCL_Vector_d & y ) const Image computes the action of the operator on x, giving y. |
![]() | AdjImage ( const HCL_Vector_d & y, HCL_Vector_d & x ) const AdjImage computes the action of the adjoint on y, giving x. |
![]() | InvImage (const HCL_Vector_d & y, HCL_Vector_d & x) const InvImage computes the action of the inverse on y, giving x. |
![]() | InvAdjImage (const HCL_Vector_d & x, HCL_Vector_d & y) const InvAdjImage computes the action of the inverse adjoint on x, giving y |
![]() | Write ( ostream & str ) const Write prints a description of the operator |
HCL_OpDefaultDeriv_d is a linear operator class implementing the derivative of a nonlinear operator. It exists to relieve the implementor of an operator class from the necessity of creating a distinct class to represent the derivative if there is no (efficiency) advantage gained by creating such a class. In order to use this default derivative class, the implementor of the operator class must implement the protected virtual functions DerivImage, DerivAdjImage, etc.The various mechanisms for implementing operator classes, including the use of this default class, are explained in detail, with concrete examples, in the report
"Implementing operators in HCL", Technical Report 99-22, Department of Computational and Applied Mathematics, Rice University, Houston, TX 77251-1892.
downloadable from the HCL home page.
This class is concrete: all of its methods are implemented, and are not intended to be overridden.
virtual HCL_VectorSpace_d& Domain() const
virtual HCL_VectorSpace_d& Range() const
virtual void Image( const HCL_Vector_d & x, HCL_Vector_d & y ) const
virtual void AdjImage( const HCL_Vector_d & y, HCL_Vector_d & x ) const
virtual void InvImage(const HCL_Vector_d & y, HCL_Vector_d & x) const
virtual void InvAdjImage(const HCL_Vector_d & x, HCL_Vector_d & y) const
virtual ostream& Write( ostream & str ) const
alphabetic index hierarchy of classes
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