9 #ifndef __IPLOWRANKUPDATESYMMATRIX_HPP__
10 #define __IPLOWRANKUPDATESYMMATRIX_HPP__
20 class LowRankUpdateSymMatrixSpace;
113 const std::string& name,
115 const std::string& prefix)
const;
Number * x
Input: Starting point Output: Optimal solution.
Class responsible for all message output.
This is the matrix space for LowRankUpdateSymMatrix.
LowRankUpdateSymMatrix * MakeNewLowRankUpdateSymMatrix() const
Method for creating a new matrix of this specific type.
virtual SymMatrix * MakeNewSymMatrix() const
Overloaded MakeNew method for the SymMatrixSpace base class.
SmartPtr< const Matrix > P_LowRank_
Expansion matrix to lift the low-rank approximation into a possibly higher-dimensional space.
LowRankUpdateSymMatrixSpace(Index dim, SmartPtr< const Matrix > P_LowRank, SmartPtr< const VectorSpace > LowRankVectorSpace, bool reduced_diag)
Constructor, given the dimension of the matrix.
LowRankUpdateSymMatrixSpace()
Default Constructor.
void operator=(const LowRankUpdateSymMatrixSpace &)
Overloaded Equals Operator.
SmartPtr< const Matrix > P_LowRank() const
bool reduced_diag_
Flag indicating whether the diagonal matrix is nonzero only in the space of V or in the full space.
virtual ~LowRankUpdateSymMatrixSpace()
Destructor.
SmartPtr< const VectorSpace > lowrank_vector_space_
Vector space for the space in which the low-rank approximation lives.
LowRankUpdateSymMatrixSpace(const LowRankUpdateSymMatrixSpace &)
Copy Constructor.
SmartPtr< const VectorSpace > LowRankVectorSpace() const
Class for symmetric matrices, represented as low-rank updates.
SmartPtr< const Matrix > P_LowRank() const
Return the expansion matrix to lift the low-rank update to the higher-dimensional space.
SmartPtr< const Vector > D_
Vector storing the diagonal matrix D.
SmartPtr< const MultiVectorMatrix > U_
Vector storing the negative low-rank update.
void SetDiag(const Vector &D)
Method for setting the diagonal elements (as a Vector).
SmartPtr< const VectorSpace > LowRankVectorSpace() const
Return the vector space in with the low-rank update vectors live.
virtual void ComputeColAMaxImpl(Vector &cols_norms, bool init) const
Since the matrix is symmetric, the row and column max norms are identical.
SmartPtr< const LowRankUpdateSymMatrixSpace > owner_space_
corresponding matrix space
virtual bool HasValidNumbersImpl() const
Method for determining if all stored numbers are valid (i.e., no Inf or Nan).
virtual void MultVectorImpl(Number alpha, const Vector &x, Number beta, Vector &y) const
Matrix-vector multiply.
LowRankUpdateSymMatrix()
Default Constructor.
SmartPtr< const Vector > GetDiag() const
Method for getting the diagonal elements.
bool ReducedDiag() const
Flag indicating whether the diagonal term lives in the smaller space (from P_LowRank) or in the full ...
LowRankUpdateSymMatrix(const LowRankUpdateSymMatrixSpace *owner_space)
Constructor, given the corresponding matrix space.
SmartPtr< const MultiVectorMatrix > GetU() const
Method for getting the negative low-rank update part.
void SetU(const MultiVectorMatrix &U)
Method for setting the negative low-rank update part.
virtual void ComputeRowAMaxImpl(Vector &rows_norms, bool init) const
Compute the max-norm of the rows in the matrix.
void SetV(const MultiVectorMatrix &V)
Method for setting the positive low-rank update part.
SmartPtr< const MultiVectorMatrix > V_
Vector storing the positive low-rank update.
~LowRankUpdateSymMatrix()
Destructor.
SmartPtr< const MultiVectorMatrix > GetV() const
Method for getting the positive low-rank update part.
virtual void PrintImpl(const Journalist &jnlst, EJournalLevel level, EJournalCategory category, const std::string &name, Index indent, const std::string &prefix) const
Print detailed information about the matrix.
void operator=(const LowRankUpdateSymMatrix &)
Overloaded Equals Operator.
LowRankUpdateSymMatrix(const LowRankUpdateSymMatrix &)
Copy Constructor.
Class for Matrices with few columns that consists of Vectors.
Template class for Smart Pointers.
SymMatrixSpace base class, corresponding to the SymMatrix base class.
This is the base class for all derived symmetric matrix types.
void ObjectChanged()
Objects derived from TaggedObject MUST call this method every time their internal state changes to up...
bool IsValid(const SmartPtr< U > &smart_ptr)
EJournalCategory
Category Selection Enum.
int Index
Type of all indices of vectors, matrices etc.
EJournalLevel
Print Level Enum.
double Number
Type of all numbers.