Detailed Description

template<typename ExpressionType>
class Eigen::MatrixWrapper< ExpressionType >

Expression of an array as a mathematical vector or matrix.

This class is the return type of ArrayBase::matrix(), and most of the time this is the only way it is use.

See also: MatrixBase::matrix(), class ArrayWrapper

Inheritance diagram for Eigen::MatrixWrapper< ExpressionType >:

Public Member Functions
void	resize (Index newSize)

void	resize (Index rows, Index cols)

Public Member Functions inherited from Eigen::MatrixBase< MatrixWrapper< ExpressionType > >
const MatrixFunctionReturnValue< MatrixWrapper< ExpressionType > >	acosh () const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise inverse hyperbolic cosine use ArrayBase::acosh .

const AdjointReturnType	adjoint () const

void	adjointInPlace ()

void	applyHouseholderOnTheLeft (const EssentialPart &essential, const Scalar &tau, Scalar *workspace)

void	applyHouseholderOnTheRight (const EssentialPart &essential, const Scalar &tau, Scalar *workspace)

void	applyOnTheLeft (const EigenBase< OtherDerived > &other)

void	applyOnTheLeft (Index p, Index q, const JacobiRotation< OtherScalar > &j)

void	applyOnTheRight (const EigenBase< OtherDerived > &other)

void	applyOnTheRight (Index p, Index q, const JacobiRotation< OtherScalar > &j)

ArrayWrapper< MatrixWrapper< ExpressionType > >	array ()

const ArrayWrapper< const MatrixWrapper< ExpressionType > >	array () const

const DiagonalWrapper< const MatrixWrapper< ExpressionType > >	asDiagonal () const

const MatrixFunctionReturnValue< MatrixWrapper< ExpressionType > >	asinh () const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise inverse hyperbolic sine use ArrayBase::asinh .

const SkewSymmetricWrapper< const MatrixWrapper< ExpressionType > >	asSkewSymmetric () const

const MatrixFunctionReturnValue< MatrixWrapper< ExpressionType > >	atanh () const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise inverse hyperbolic cosine use ArrayBase::atanh .

BDCSVD< typename MatrixBase< MatrixWrapper< ExpressionType > >::PlainObject, Options >	bdcSvd () const

BDCSVD< typename MatrixBase< MatrixWrapper< ExpressionType > >::PlainObject, Options >	bdcSvd (unsigned int computationOptions) const

RealScalar	blueNorm () const

Matrix< Scalar, 3, 1 >	canonicalEulerAngles (Index a0, Index a1, Index a2) const

const ColPivHouseholderQR< typename MatrixBase< MatrixWrapper< ExpressionType > >::PlainObject, PermutationIndexType >	colPivHouseholderQr () const

const CompleteOrthogonalDecomposition< typename MatrixBase< MatrixWrapper< ExpressionType > >::PlainObject, PermutationIndex >	completeOrthogonalDecomposition () const

void	computeInverseAndDetWithCheck (ResultType &inverse, typename ResultType::Scalar &determinant, bool &invertible, const RealScalar &absDeterminantThreshold=NumTraits< Scalar >::dummy_precision()) const

void	computeInverseWithCheck (ResultType &inverse, bool &invertible, const RealScalar &absDeterminantThreshold=NumTraits< Scalar >::dummy_precision()) const

const MatrixFunctionReturnValue< MatrixWrapper< ExpressionType > >	cos () const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise cosine use ArrayBase::cos .

const MatrixFunctionReturnValue< MatrixWrapper< ExpressionType > >	cosh () const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise hyperbolic cosine use ArrayBase::cosh .

std::conditional_t< SizeAtCompileTime==2, Scalar, PlainObject >	cross (const MatrixBase< OtherDerived > &other) const

MatrixBase< MatrixWrapper< ExpressionType > >::PlainObject	cross3 (const MatrixBase< OtherDerived > &other) const

Scalar	determinant () const

Diagonal< MatrixWrapper< ExpressionType >, Index_ >	diagonal ()

DiagonalReturnType	diagonal ()

const Diagonal< const MatrixWrapper< ExpressionType >, Index_ >	diagonal () const

const ConstDiagonalReturnType	diagonal () const

Diagonal< MatrixWrapper< ExpressionType >, DynamicIndex >	diagonal (Index index)

const Diagonal< const MatrixWrapper< ExpressionType >, DynamicIndex >	diagonal (Index index) const

Index	diagonalSize () const

ScalarBinaryOpTraits< typenameinternal::traits< MatrixWrapper< ExpressionType > >::Scalar, typenameinternal::traits< OtherDerived >::Scalar >::ReturnType	dot (const MatrixBase< OtherDerived > &other) const

EigenvaluesReturnType	eigenvalues () const
	Computes the eigenvalues of a matrix.

EIGEN_DEPRECATED Matrix< Scalar, 3, 1 >	eulerAngles (Index a0, Index a1, Index a2) const

const MatrixExponentialReturnValue< MatrixWrapper< ExpressionType > >	exp () const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise exponential use ArrayBase::exp .

MatrixWrapper< ExpressionType > &	forceAlignedAccess ()

const MatrixWrapper< ExpressionType > &	forceAlignedAccess () const

std::conditional_t< Enable, ForceAlignedAccess< MatrixWrapper< ExpressionType > >, MatrixWrapper< ExpressionType > & >	forceAlignedAccessIf ()

add_const_on_value_type_t< std::conditional_t< Enable, ForceAlignedAccess< MatrixWrapper< ExpressionType > >, MatrixWrapper< ExpressionType > & > >	forceAlignedAccessIf () const

const FullPivHouseholderQR< typename MatrixBase< MatrixWrapper< ExpressionType > >::PlainObject, PermutationIndex >	fullPivHouseholderQr () const

const FullPivLU< typename MatrixBase< MatrixWrapper< ExpressionType > >::PlainObject, PermutationIndex >	fullPivLu () const

const HNormalizedReturnType	hnormalized () const
	homogeneous normalization

HomogeneousReturnType	homogeneous () const

const HouseholderQR< PlainObject >	householderQr () const

RealScalar	hypotNorm () const

const Inverse< MatrixWrapper< ExpressionType > >	inverse () const

bool	isDiagonal (const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isIdentity (const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isLowerTriangular (const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isOrthogonal (const MatrixBase< OtherDerived > &other, const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isSkewSymmetric (const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isUnitary (const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isUpperTriangular (const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

JacobiSVD< typename MatrixBase< MatrixWrapper< ExpressionType > >::PlainObject, Options >	jacobiSvd () const

const Product< MatrixWrapper< ExpressionType >, OtherDerived, LazyProduct >	lazyProduct (const MatrixBase< OtherDerived > &other) const

const LDLT< PlainObject >	ldlt () const

const LLT< PlainObject >	llt () const

const MatrixLogarithmReturnValue< MatrixWrapper< ExpressionType > >	log () const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise logarithm use ArrayBase::log .

MatrixBase< MatrixWrapper< ExpressionType > >::RealScalar	lpNorm () const

const PartialPivLU< typename MatrixBase< MatrixWrapper< ExpressionType > >::PlainObject, PermutationIndex >	lu () const

void	makeHouseholder (EssentialPart &essential, Scalar &tau, RealScalar &beta) const

void	makeHouseholderInPlace (Scalar &tau, RealScalar &beta)

const MatrixFunctionReturnValue< MatrixWrapper< ExpressionType > >	matrixFunction (StemFunction f) const
	Helper function for the unsupported MatrixFunctions module.

NoAlias< MatrixWrapper< ExpressionType >, Eigen::MatrixBase >	noalias ()

RealScalar	norm () const

void	normalize ()

const PlainObject	normalized () const

bool	operator!= (const MatrixBase< OtherDerived > &other) const

const Product< MatrixWrapper< ExpressionType >, DiagonalDerived, LazyProduct >	operator* (const DiagonalBase< DiagonalDerived > &diagonal) const

const Product< MatrixWrapper< ExpressionType >, OtherDerived >	operator* (const MatrixBase< OtherDerived > &other) const

const Product< MatrixWrapper< ExpressionType >, SkewDerived, LazyProduct >	operator* (const SkewSymmetricBase< SkewDerived > &skew) const

MatrixWrapper< ExpressionType > &	operator*= (const EigenBase< OtherDerived > &other)

MatrixWrapper< ExpressionType > &	operator+= (const MatrixBase< OtherDerived > &other)

MatrixWrapper< ExpressionType > &	operator-= (const MatrixBase< OtherDerived > &other)

MatrixWrapper< ExpressionType > &	operator= (const MatrixBase &other)

bool	operator== (const MatrixBase< OtherDerived > &other) const

RealScalar	operatorNorm () const
	Computes the L2 operator norm.

const PartialPivLU< typename MatrixBase< MatrixWrapper< ExpressionType > >::PlainObject, PermutationIndex >	partialPivLu () const

const MatrixPowerReturnValue< MatrixWrapper< ExpressionType > >	pow (const RealScalar &p) const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise power to `p` use ArrayBase::pow .

const MatrixComplexPowerReturnValue< MatrixWrapper< ExpressionType > >	pow (const std::complex< RealScalar > &p) const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise power to `p` use ArrayBase::pow .

MatrixBase< MatrixWrapper< ExpressionType > >::template SelfAdjointViewReturnType< UpLo >::Type	selfadjointView ()

MatrixBase< MatrixWrapper< ExpressionType > >::template ConstSelfAdjointViewReturnType< UpLo >::Type	selfadjointView () const

MatrixWrapper< ExpressionType > &	setIdentity ()

MatrixWrapper< ExpressionType > &	setIdentity (Index rows, Index cols)
	Resizes to the given size, and writes the identity expression (not necessarily square) into *this.

MatrixWrapper< ExpressionType > &	setUnit (Index i)
	Set the coefficients of `*this` to the i-th unit (basis) vector.

MatrixWrapper< ExpressionType > &	setUnit (Index newSize, Index i)
	Resizes to the given newSize, and writes the i-th unit (basis) vector into *this.

const MatrixFunctionReturnValue< MatrixWrapper< ExpressionType > >	sin () const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise sine use ArrayBase::sin .

const MatrixFunctionReturnValue< MatrixWrapper< ExpressionType > >	sinh () const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise hyperbolic sine use ArrayBase::sinh .

const SparseView< MatrixWrapper< ExpressionType > >	sparseView (const Scalar &m_reference=Scalar(0), const typename NumTraits< Scalar >::Real &m_epsilon=NumTraits< Scalar >::dummy_precision()) const

const MatrixSquareRootReturnValue< MatrixWrapper< ExpressionType > >	sqrt () const
	This function requires the <a * href="unsupported/group__MatrixFunctions__Module.html"> unsupported MatrixFunctions module. To compute the * coefficient-wise square root use ArrayBase::sqrt .

RealScalar	squaredNorm () const

RealScalar	stableNorm () const

void	stableNormalize ()

const PlainObject	stableNormalized () const

Scalar	trace () const

MatrixBase< MatrixWrapper< ExpressionType > >::template TriangularViewReturnType< Mode >::Type	triangularView ()

MatrixBase< MatrixWrapper< ExpressionType > >::template ConstTriangularViewReturnType< Mode >::Type	triangularView () const

PlainObject	unitOrthogonal (void) const

Public Member Functions inherited from Eigen::DenseBase< MatrixWrapper< ExpressionType > >
bool	all () const

bool	allFinite () const

bool	any () const

iterator	begin ()

const_iterator	begin () const

const_iterator	cbegin () const

const_iterator	cend () const

ColwiseReturnType	colwise ()

ConstColwiseReturnType	colwise () const

Index	count () const

iterator	end ()

const_iterator	end () const

EvalReturnType	eval () const

void	fill (const Scalar &value)

EIGEN_DEPRECATED const MatrixWrapper< ExpressionType > &	flagged () const

const WithFormat< MatrixWrapper< ExpressionType > >	format (const IOFormat &fmt) const

EIGEN_CONSTEXPR Index	innerSize () const

bool	isApprox (const DenseBase< OtherDerived > &other, const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isApproxToConstant (const Scalar &value, const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isConstant (const Scalar &value, const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isMuchSmallerThan (const DenseBase< OtherDerived > &other, const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isMuchSmallerThan (const typename NumTraits< Scalar >::Real &other, const RealScalar &prec) const

bool	isOnes (const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isZero (const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

EIGEN_DEPRECATED MatrixWrapper< ExpressionType > &	lazyAssign (const DenseBase< OtherDerived > &other)

internal::traits< MatrixWrapper< ExpressionType > >::Scalar	maxCoeff () const

internal::traits< MatrixWrapper< ExpressionType > >::Scalar	maxCoeff (IndexType *index) const

internal::traits< MatrixWrapper< ExpressionType > >::Scalar	maxCoeff (IndexType row, IndexType col) const

Scalar	mean () const

internal::traits< MatrixWrapper< ExpressionType > >::Scalar	minCoeff () const

internal::traits< MatrixWrapper< ExpressionType > >::Scalar	minCoeff (IndexType *index) const

internal::traits< MatrixWrapper< ExpressionType > >::Scalar	minCoeff (IndexType row, IndexType col) const

const NestByValue< MatrixWrapper< ExpressionType > >	nestByValue () const

CommaInitializer< MatrixWrapper< ExpressionType > >	operator<< (const DenseBase< OtherDerived > &other)

CommaInitializer< MatrixWrapper< ExpressionType > >	operator<< (const Scalar &s)

MatrixWrapper< ExpressionType > &	operator= (const DenseBase &other)

MatrixWrapper< ExpressionType > &	operator= (const DenseBase< OtherDerived > &other)

MatrixWrapper< ExpressionType > &	operator= (const EigenBase< OtherDerived > &other)
	Copies the generic expression other into *this.

EIGEN_CONSTEXPR Index	outerSize () const

Scalar	prod () const

internal::traits< MatrixWrapper< ExpressionType > >::Scalar	redux (const Func &func) const

const Replicate< MatrixWrapper< ExpressionType >, RowFactor, ColFactor >	replicate () const

const Replicate< MatrixWrapper< ExpressionType >, Dynamic, Dynamic >	replicate (Index rowFactor, Index colFactor) const

void	resize (Index newSize)

void	resize (Index rows, Index cols)

ReverseReturnType	reverse ()

ConstReverseReturnType	reverse () const

void	reverseInPlace ()

RowwiseReturnType	rowwise ()

ConstRowwiseReturnType	rowwise () const

CwiseTernaryOp< internal::scalar_boolean_select_op< typename DenseBase< ThenDerived >::Scalar, typename DenseBase< ElseDerived >::Scalar, typename DenseBase< MatrixWrapper< ExpressionType > >::Scalar >, ThenDerived, ElseDerived, MatrixWrapper< ExpressionType > >	select (const DenseBase< ThenDerived > &thenMatrix, const DenseBase< ElseDerived > &elseMatrix) const

CwiseTernaryOp< internal::scalar_boolean_select_op< typename DenseBase< ThenDerived >::Scalar, typename DenseBase< ThenDerived >::Scalar, typename DenseBase< MatrixWrapper< ExpressionType > >::Scalar >, ThenDerived, typename DenseBase< ThenDerived >::ConstantReturnType, MatrixWrapper< ExpressionType > >	select (const DenseBase< ThenDerived > &thenMatrix, const typename DenseBase< ThenDerived >::Scalar &elseScalar) const

CwiseTernaryOp< internal::scalar_boolean_select_op< typename DenseBase< ElseDerived >::Scalar, typename DenseBase< ElseDerived >::Scalar, typename DenseBase< MatrixWrapper< ExpressionType > >::Scalar >, typename DenseBase< ElseDerived >::ConstantReturnType, ElseDerived, MatrixWrapper< ExpressionType > >	select (const typename DenseBase< ElseDerived >::Scalar &thenScalar, const DenseBase< ElseDerived > &elseMatrix) const

MatrixWrapper< ExpressionType > &	setConstant (const Scalar &value)

MatrixWrapper< ExpressionType > &	setLinSpaced (const Scalar &low, const Scalar &high)
	Sets a linearly spaced vector.

MatrixWrapper< ExpressionType > &	setLinSpaced (Index size, const Scalar &low, const Scalar &high)
	Sets a linearly spaced vector.

MatrixWrapper< ExpressionType > &	setOnes ()

MatrixWrapper< ExpressionType > &	setRandom ()

MatrixWrapper< ExpressionType > &	setZero ()

Scalar	sum () const

void	swap (const DenseBase< OtherDerived > &other)

void	swap (PlainObjectBase< OtherDerived > &other)

TransposeReturnType	transpose ()

const ConstTransposeReturnType	transpose () const

void	transposeInPlace ()

CoeffReturnType	value () const

void	visit (Visitor &func) const

Additional Inherited Members
Public Types inherited from Eigen::DenseBase< MatrixWrapper< ExpressionType > >
typedef random_access_iterator_type	const_iterator

typedef random_access_iterator_type	iterator

typedef Array< typename internal::traits< MatrixWrapper< ExpressionType > >::Scalar, internal::traits< MatrixWrapper< ExpressionType > >::RowsAtCompileTime, internal::traits< MatrixWrapper< ExpressionType > >::ColsAtCompileTime, AutoAlign\|(internal::traits< MatrixWrapper< ExpressionType > >::Flags &RowMajorBit ? RowMajor :ColMajor), internal::traits< MatrixWrapper< ExpressionType > >::MaxRowsAtCompileTime, internal::traits< MatrixWrapper< ExpressionType > >::MaxColsAtCompileTime >	PlainArray

typedef Matrix< typename internal::traits< MatrixWrapper< ExpressionType > >::Scalar, internal::traits< MatrixWrapper< ExpressionType > >::RowsAtCompileTime, internal::traits< MatrixWrapper< ExpressionType > >::ColsAtCompileTime, AutoAlign\|(internal::traits< MatrixWrapper< ExpressionType > >::Flags &RowMajorBit ? RowMajor :ColMajor), internal::traits< MatrixWrapper< ExpressionType > >::MaxRowsAtCompileTime, internal::traits< MatrixWrapper< ExpressionType > >::MaxColsAtCompileTime >	PlainMatrix

typedef std::conditional_t< internal::is_same< typename internal::traits< MatrixWrapper< ExpressionType > >::XprKind, MatrixXpr >::value, PlainMatrix, PlainArray >	PlainObject
	The plain matrix or array type corresponding to this expression.

typedef internal::traits< MatrixWrapper< ExpressionType > >::Scalar	Scalar

typedef internal::traits< MatrixWrapper< ExpressionType > >::StorageIndex	StorageIndex
	The type used to store indices.

typedef Scalar	value_type

Static Public Member Functions inherited from Eigen::MatrixBase< MatrixWrapper< ExpressionType > >
static const IdentityReturnType	Identity ()

static const IdentityReturnType	Identity (Index rows, Index cols)

static const BasisReturnType	Unit (Index i)

static const BasisReturnType	Unit (Index size, Index i)

static const BasisReturnType	UnitW ()

static const BasisReturnType	UnitX ()

static const BasisReturnType	UnitY ()

static const BasisReturnType	UnitZ ()

Static Public Member Functions inherited from Eigen::DenseBase< MatrixWrapper< ExpressionType > >
static const ConstantReturnType	Constant (const Scalar &value)

static const ConstantReturnType	Constant (Index rows, Index cols, const Scalar &value)

static const ConstantReturnType	Constant (Index size, const Scalar &value)

static const RandomAccessLinSpacedReturnType	LinSpaced (const Scalar &low, const Scalar &high)

static const RandomAccessLinSpacedReturnType	LinSpaced (Index size, const Scalar &low, const Scalar &high)
	Sets a linearly spaced vector.

static EIGEN_DEPRECATED const RandomAccessLinSpacedReturnType	LinSpaced (Sequential_t, const Scalar &low, const Scalar &high)

static EIGEN_DEPRECATED const RandomAccessLinSpacedReturnType	LinSpaced (Sequential_t, Index size, const Scalar &low, const Scalar &high)

static const CwiseNullaryOp< CustomNullaryOp, PlainObject >	NullaryExpr (const CustomNullaryOp &func)

static const CwiseNullaryOp< CustomNullaryOp, PlainObject >	NullaryExpr (Index rows, Index cols, const CustomNullaryOp &func)

static const CwiseNullaryOp< CustomNullaryOp, PlainObject >	NullaryExpr (Index size, const CustomNullaryOp &func)

static const ConstantReturnType	Ones ()

static const ConstantReturnType	Ones (Index rows, Index cols)

static const ConstantReturnType	Ones (Index size)

static const RandomReturnType	Random ()

static const RandomReturnType	Random (Index rows, Index cols)

static const RandomReturnType	Random (Index size)

static const ConstantReturnType	Zero ()

static const ConstantReturnType	Zero (Index rows, Index cols)

static const ConstantReturnType	Zero (Index size)

Protected Member Functions inherited from Eigen::DenseBase< MatrixWrapper< ExpressionType > >
constexpr	DenseBase ()=default

Related Symbols inherited from Eigen::DenseBase< MatrixWrapper< ExpressionType > >
std::ostream &	operator<< (std::ostream &s, const DenseBase< MatrixWrapper< ExpressionType > > &m)

Member Function Documentation

◆ resize() [1/2]

template<typename ExpressionType >

void Eigen::MatrixWrapper< ExpressionType >::resize ( Index newSize )

inline

Forwards the resizing request to the nested expression

See also: DenseBase::resize(Index)

◆ resize() [2/2]