Vector.h File Reference

typedef and functions to augment Eigen's VectorXd More...

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Namespaces
	gtsam
	Global functions in a separate testing namespace.

Typedefs
typedef Eigen::VectorXd	gtsam::Vector
typedef Eigen::Vector2d	gtsam::Vector2
typedef Eigen::Vector3d	gtsam::Vector3
typedef Eigen::Matrix< double, 6, 1 >	gtsam::Vector6
typedef Eigen::VectorBlock < Vector >	gtsam::SubVector
typedef Eigen::VectorBlock < const Vector >	gtsam::ConstSubVector

Functions
Vector	gtsam::repeat (size_t n, double value)
	Create vector initialized to a constant value. More...
Vector	gtsam::delta (size_t n, size_t i, double value)
	Create basis vector of dimension n, with a constant in spot i. More...
Vector	gtsam::basis (size_t n, size_t i)
	Create basis vector of dimension n, with one in spot i. More...
Vector	gtsam::zero (size_t n)
	Create zero vector. More...
Vector	gtsam::ones (size_t n)
	Create vector initialized to ones. More...
bool	gtsam::zero (const Vector &v)
	check if all zero
size_t	gtsam::dim (const Vector &v)
	dimensionality == size
void	gtsam::print (const Vector &v, const std::string &s="", std::ostream &stream=std::cout)
	print with optional string
void	gtsam::save (const Vector &A, const std::string &s, const std::string &filename)
	save a vector to file, which can be loaded by matlab
bool	gtsam::operator== (const Vector &vec1, const Vector &vec2)
	operator==()
bool	gtsam::greaterThanOrEqual (const Vector &v1, const Vector &v2)
	Greater than or equal to operation returns true if all elements in v1 are greater than corresponding elements in v2.
bool	gtsam::equal_with_abs_tol (const Vector &vec1, const Vector &vec2, double tol=1e-9)
	VecA == VecB up to tolerance.
bool	gtsam::equal_with_abs_tol (const SubVector &vec1, const SubVector &vec2, double tol)
bool	gtsam::equal (const Vector &vec1, const Vector &vec2, double tol)
	Override of equal in Lie.h.
bool	gtsam::equal (const Vector &vec1, const Vector &vec2)
	Override of equal in Lie.h.
bool	gtsam::assert_equal (const Vector &vec1, const Vector &vec2, double tol=1e-9)
	Same, prints if error. More...
bool	gtsam::assert_inequal (const Vector &vec1, const Vector &vec2, double tol=1e-9)
	Not the same, prints if error. More...
bool	gtsam::assert_equal (const SubVector &vec1, const SubVector &vec2, double tol=1e-9)
	Same, prints if error. More...
bool	gtsam::assert_equal (const ConstSubVector &expected, const ConstSubVector &actual, double tol)
bool	gtsam::linear_dependent (const Vector &vec1, const Vector &vec2, double tol=1e-9)
	check whether two vectors are linearly dependent More...
ConstSubVector	gtsam::sub (const Vector &v, size_t i1, size_t i2)
	extract subvector, slice semantics, i.e. More...
void	gtsam::subInsert (Vector &fullVector, const Vector &subVector, size_t i)
	Inserts a subvector into a vector IN PLACE. More...
Vector	gtsam::emul (const Vector &a, const Vector &b)
	elementwise multiplication More...
Vector	gtsam::ediv (const Vector &a, const Vector &b)
	elementwise division More...
Vector	gtsam::ediv_ (const Vector &a, const Vector &b)
	elementwise division, but 0/0 = 0, not inf More...
double	gtsam::sum (const Vector &a)
	sum vector elements More...
double	gtsam::norm_2 (const Vector &v)
	Calculates L2 norm for a vector modeled after boost.ublas for compatibility. More...
Vector	gtsam::reciprocal (const Vector &a)
	Elementwise reciprocal of vector elements. More...
Vector	gtsam::esqrt (const Vector &v)
	Elementwise sqrt of vector elements. More...
Vector	gtsam::abs (const Vector &v)
	Absolute values of vector elements. More...
double	gtsam::max (const Vector &a)
	Return the max element of a vector. More...
template<class V1 , class V2 >
double	gtsam::dot (const V1 &a, const V2 &b)
	Dot product.
template<class V1 , class V2 >
double	gtsam::inner_prod (const V1 &a, const V2 &b)
	compatibility version for ublas' inner_prod()
void	gtsam::scal (double alpha, Vector &x)
	BLAS Level 1 scal: x <- alpha*x. More...
template<class V1 , class V2 >
void	gtsam::axpy (double alpha, const V1 &x, V2 &y)
	BLAS Level 1 axpy: y <- alpha*x + y. More...
void	gtsam::axpy (double alpha, const Vector &x, SubVector y)
pair< double, Vector >	gtsam::house (const Vector &x)
	house(x,j) computes HouseHolder vector v and scaling factor beta from x, such that the corresponding Householder reflection zeroes out all but x. More...
double	gtsam::houseInPlace (Vector &x)
	beta = house(x) computes the HouseHolder vector in place
pair< Vector, double >	gtsam::weightedPseudoinverse (const Vector &v, const Vector &weights)
	Weighted Householder solution vector, a.k.a., the pseudoinverse of the column NOTE: if any sigmas are zero (indicating a constraint) the pseudoinverse will be a selection vector, and the variance will be zero. More...
double	gtsam::weightedPseudoinverse (const Vector &a, const Vector &weights, Vector &pseudo)
Vector	gtsam::concatVectors (const std::list< Vector > &vs)
	concatenate Vectors
Vector	gtsam::concatVectors (size_t nrVectors,...)
	concatenate Vectors
template<class Archive >
void	boost::serialization::save (Archive &ar, const gtsam::Vector &v, unsigned int version)
template<class Archive >
void	boost::serialization::load (Archive &ar, gtsam::Vector &v, unsigned int version)
template<class Archive , int D>
void	boost::serialization::save (Archive &ar, const Eigen::Matrix< double, D, 1 > &v, unsigned int version)
template<class Archive , int D>
void	boost::serialization::load (Archive &ar, Eigen::Matrix< double, D, 1 > &v, unsigned int version)

Detailed Description

typedef and functions to augment Eigen's VectorXd

Author

Kai Ni

Frank Dellaert