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DiagonalMatrix< _Scalar, SizeAtCompileTime, MaxSizeAtCompileTime > Class Template Reference
Core module

Detailed Description

template<typename _Scalar, int SizeAtCompileTime, int MaxSizeAtCompileTime>
class Eigen::DiagonalMatrix< _Scalar, SizeAtCompileTime, MaxSizeAtCompileTime >

Represents a diagonal matrix with its storage.

Parameters
_Scalarthe type of coefficients
SizeAtCompileTimethe dimension of the matrix, or Dynamic
MaxSizeAtCompileTimethe dimension of the matrix, or Dynamic. This parameter is optional and defaults to SizeAtCompileTime. Most of the time, you do not need to specify it.
See Also
class DiagonalWrapper

Inherits DiagonalBase< Derived >.

Public Member Functions

const DiagonalVectorType & diagonal () const
 
DiagonalVectorType & diagonal ()
 
 DiagonalMatrix ()
 
 DiagonalMatrix (Index dim)
 
 DiagonalMatrix (const Scalar &x, const Scalar &y)
 
 DiagonalMatrix (const Scalar &x, const Scalar &y, const Scalar &z)
 
template<typename OtherDerived >
 DiagonalMatrix (const DiagonalBase< OtherDerived > &other)
 
template<typename OtherDerived >
 DiagonalMatrix (const MatrixBase< OtherDerived > &other)
 
template<typename OtherDerived >
DiagonalMatrix & operator= (const DiagonalBase< OtherDerived > &other)
 
void resize (Index size)
 
void setIdentity ()
 
void setIdentity (Index size)
 
void setZero ()
 
void setZero (Index size)
 

Constructor & Destructor Documentation

DiagonalMatrix ( )
inline

Default constructor without initialization

DiagonalMatrix ( Index  dim)
inline

Constructs a diagonal matrix with given dimension

DiagonalMatrix ( const Scalar &  x,
const Scalar &  y 
)
inline

2D constructor.

DiagonalMatrix ( const Scalar &  x,
const Scalar &  y,
const Scalar &  z 
)
inline

3D constructor.

DiagonalMatrix ( const DiagonalBase< OtherDerived > &  other)
inline

Copy constructor.

DiagonalMatrix ( const MatrixBase< OtherDerived > &  other)
inlineexplicit

generic constructor from expression of the diagonal coefficients

Member Function Documentation

const DiagonalVectorType& diagonal ( ) const
inline

const version of diagonal().

DiagonalVectorType& diagonal ( )
inline
Returns
a reference to the stored vector of diagonal coefficients.
DiagonalMatrix& operator= ( const DiagonalBase< OtherDerived > &  other)
inline

Copy operator.

void resize ( Index  size)
inline

Resizes to given size.

void setIdentity ( )
inline

Sets this matrix to be the identity matrix of the current size.

void setIdentity ( Index  size)
inline

Sets this matrix to be the identity matrix of the given size.

void setZero ( )
inline

Sets all coefficients to zero.

void setZero ( Index  size)
inline

Resizes and sets all coefficients to zero.

The documentation for this class was generated from the following file: