Class xlifepp::EigenElements

class EigenElements

end user class containing eigenValues and eigenVectors computed by an eigen solver.

Public Functions

EigenElements(const TermMatrix *A_p, bool singleUnknown, bool isr, const std::vector<std::pair<complex_t, VectorEntry*>> &vvp, EigenSortKind esortk = _incr_module, string_t resname = "")

main constructor

inline EigenElements(number_t n = 0, string_t resname = "")

constructor from size

inline EigenElements &applyBoundaryConditions(const EssentialConditions &ecs, const ReductionMethod &rm = ReductionMethod())

Parameters:

rm – apply essential conditions to eigen vectors

inline EigenElements &applyEssentialConditions(const EssentialConditions &ecs, const ReductionMethod &rm = ReductionMethod())

Parameters:

rm – apply essential conditions to eigen vectors

inline EigenElements &applyEssentialConditions(const SetOfConstraints &sec, const ReductionMethod &rm = ReductionMethod())

Parameters:

rm – apply constraints to eigen vectors

inline std::pair<complex_t, TermVector> element(number_t n) const

access to nth eigen element (n>=1)

inline bool isReal() const

move eigenvectors to real

inline number_t numberOfEigenValues() const

< access to number of eigen values

void print(std::ostream&) const

output on stream

Output on stream.

inline void resize(number_t n)

Parameters:

n – resizes values and vectors

inline complex_t value(number_t n) const

access to n-th eigen value (n>=1)

inline TermVector &vector(number_t n)

access to n-th eigen vector (n>=1)

inline const TermVector &vector(number_t n) const

access to n-th eigen vector (n>=1)

Public Members

std::vector<complex_t> values

list of eigen values

TermVectors vectors

list of eigen vectors, same size as values