This class implements the Generalized Jacobi Eigenvalue Problem Solver. More...
#include <gjacobi.h>
Inheritance diagram for oofem::GJacobi:
Collaboration diagram for oofem::GJacobi:
Public Member Functions | |
| GJacobi (Domain *d, EngngModel *m) | |
| virtual | ~GJacobi () |
| virtual NM_Status | solve (FloatMatrix &K, FloatMatrix &M, FloatArray &w, FloatMatrix &x) |
Solves the given sparse generalized eigenvalue system of equations  . More... | |
| virtual const char * | giveClassName () const |
| std::string | errorInfo (const char *func) |
| Public Member Functions inherited from oofem::NumericalMethod | |
| NumericalMethod (Domain *d, EngngModel *m) | |
| Constructor. More... | |
| virtual | ~NumericalMethod () |
| Destructor. More... | |
| EngngModel * | giveEngngModel () |
| virtual IRResultType | initializeFrom (InputRecord *ir) |
| virtual void | reinitialize () |
| Reinitializes the receiver. More... | |
| virtual void | setDomain (Domain *d) |
| virtual contextIOResultType | saveContext (DataStream &stream, ContextMode mode, void *obj=NULL) |
| virtual contextIOResultType | restoreContext (DataStream &stream, ContextMode mode, void *obj=NULL) |
Private Attributes | |
| int | nsmax |
| double | rtol |
Additional Inherited Members | |
| Protected Attributes inherited from oofem::NumericalMethod | |
| Domain * | domain |
| Pointer to domain. More... | |
| EngngModel * | engngModel |
| Pointer to engineering model. More... | |
Detailed Description
This class implements the Generalized Jacobi Eigenvalue Problem Solver.
Perform solution of eigenvalue problem in the form
![\[ K\cdot x = \omega^2 M\cdot x \]](form_33.png)
Constructor & Destructor Documentation
| oofem::GJacobi::GJacobi | ( | Domain * | d, |
| EngngModel * | m | ||
| ) |
Member Function Documentation
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Solves the given sparse generalized eigenvalue system of equations .
- Parameters
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K Coefficient matrix. M Coefficient matrix. x Eigenvector(s). w Eigenvalue(s).
- Returns
- Status.
Definition at line 55 of file gjacobi.C.
References oofem::FloatArray::at(), oofem::FloatMatrix::at(), oofem::FloatMatrix::beUnitMatrix(), oofem::FloatMatrix::giveNumberOfRows(), GJacobi_ZERO_CHECK_TOL, oofem::FloatMatrix::isSquare(), NM_Success, nsmax, OOFEM_ERROR, OOFEM_LOG_DEBUG, oofem::FloatArray::printYourself(), oofem::FloatMatrix::printYourself(), oofem::FloatArray::resize(), oofem::FloatMatrix::resize(), and rtol.
Referenced by oofem::SubspaceIteration::solve().
Member Data Documentation
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The documentation for this class was generated from the following files: