File EigenDenseMatrix.h

template<class NT>
class EigenDenseMatrix

#include <EigenDenseMatrix.h>

A wrap class to use Eigen dense matrices when solving Eigenvalue problems with ARPACK++

Template Parameters:

NT – Numeric Type

Public Types

typedef Eigen::Matrix<NT, Eigen::Dynamic, Eigen::Dynamic> MT

Eigen matrix type.

typedef Eigen::Matrix<NT, Eigen::Dynamic, 1> VT

Eigen vector type.

Public Functions

inline int nrows()

Returns:

Number of rows

inline int ncols()

Returns:

Number of columns

inline int rows()

Returns:

Number of rows

inline int cols()

Returns:

Number of columns

inline void MultMv(NT *v, NT *w)

Required by ARPACK++ : Multiplies the matrix with vector v

Parameters:

• v – [in] The input vector, for example double*

• w – [out] The result of M*v

inline void perform_op(NT *v, NT *w)

Required by ARPACK++ : Multiplies the matrix with vector v

Parameters:

• v – [in] The input vector, for example double*

• w – [out] The result of M*v

inline EigenDenseMatrix(MT const *M)

Constructs an object

Parameters:

M – [in] An Eigen Matrix

Public Members

MT const *M

The matrix.

int n

number of columns

int m

number of rows