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Reference documentation for deal.II version 8.1.0
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#include <mg_coarse.h>
Public Member Functions | |
MGCoarseGridHouseholder (const FullMatrix< number > *A=0) | |
void | initialize (const FullMatrix< number > &A) |
void | operator() (const unsigned int level, VECTOR &dst, const VECTOR &src) const |
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virtual | ~MGCoarseGridBase () |
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Subscriptor () | |
Subscriptor (const Subscriptor &) | |
virtual | ~Subscriptor () |
Subscriptor & | operator= (const Subscriptor &) |
void | subscribe (const char *identifier=0) const |
void | unsubscribe (const char *identifier=0) const |
unsigned int | n_subscriptions () const |
void | list_subscribers () const |
DeclException3 (ExcInUse, int, char *, std::string &,<< "Object of class "<< arg2<< " is still used by "<< arg1<< " other objects.\n"<< "(Additional information: "<< arg3<< ")\n"<< "Note the entry in the Frequently Asked Questions of "<< "deal.II (linked to from http://www.dealii.org/) for "<< "more information on what this error means.") | |
DeclException2 (ExcNoSubscriber, char *, char *,<< "No subscriber with identifier \""<< arg2<< "\" did subscribe to this object of class "<< arg1) | |
template<class Archive > | |
void | serialize (Archive &ar, const unsigned int version) |
Private Attributes | |
Householder< number > | householder |
Coarse grid solver by QR factorization implemented in the class Householder.
Upon initialization, the QR decomposition of the matrix is computed. then, the operator() uses Householder::least_squares() to compute the action of the inverse.
Definition at line 129 of file mg_coarse.h.
MGCoarseGridHouseholder< number, VECTOR >::MGCoarseGridHouseholder | ( | const FullMatrix< number > * | A = 0 | ) |
Constructor, taking the coarse grid matrix.
void MGCoarseGridHouseholder< number, VECTOR >::initialize | ( | const FullMatrix< number > & | A | ) |
Initialize for a new matrix.
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virtual |
Solution operator.
Implements MGCoarseGridBase< VECTOR >.
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private |
Matrix for QR-factorization.
Definition at line 151 of file mg_coarse.h.