Represents sum A₁+A₂+A₃... of matrices (linear ops)

#include <TMatrixSum.hh>

Inheritance diagram for TMatrixSum< N >:

Public Member Functions
	TMatrixSum (const scalar_t alpha1, const matop_t op1, const TLinearOperator A1, const scalar_t alpha2, const matop_t op2, const TLinearOperator A2, const bool is_owner=false)
	two matrices

	TMatrixSum (const scalar_t alpha1, const matop_t op1, const TLinearOperator A1, const scalar_t alpha2, const matop_t op2, const TLinearOperator A2, const scalar_t alpha3, const matop_t op3, const TLinearOperator *A3, const bool is_owner=false)
	three matrices

virtual bool	is_complex () const
	return true, if field type is complex

virtual bool	is_self_adjoint () const
	return true, of operator is self adjoint

virtual void	apply (const TVector x, TVector y, const matop_t op=apply_normal) const

virtual void	apply_add (const real alpha, const TVector x, TVector y, const matop_t op=apply_normal) const

virtual auto	domain_vector () const -> std::unique_ptr< TVector >
	return vector in domain space

virtual auto	range_vector () const -> std::unique_ptr< TVector >
	return vector in range space

Public Member Functions inherited from TTypeInfo
virtual typeid_t	type () const =0
	return type ID of object

virtual bool	is_type (const typeid_t t) const
	return true if local object is of given type ID t

virtual std::string	typestr () const
	return string representation of type

Member Function Documentation

◆ apply()

virtual

mapping function of linear operator $A$ , e.g. $ y := A(x)$ . Depending on op, either $A$ , $A^T$ or $A^H$ is applied.

virtual

mapping function with update: $y := y + \alpha A(x)$ . Depending on op, either $A$ , $A^T$ or $A^H$ is applied.