gtsam
4.0.0
gtsam
|
A BinarySumExpression is a specialization of Expression that adds two expressions together It optimizes the Jacobian calculation for this specific case.
Public Member Functions | |
BinarySumExpression (const Expression< T > &e1, const Expression< T > &e2) | |
Public Member Functions inherited from gtsam::Expression< T > | |
Expression (const T &value) | |
Construct a constant expression. | |
Expression (const Key &key) | |
Construct a leaf expression, with Key. | |
Expression (const Symbol &symbol) | |
Construct a leaf expression, with Symbol. | |
Expression (unsigned char c, std::uint64_t j) | |
Construct a leaf expression, creating Symbol. | |
template<typename A > | |
Expression (typename UnaryFunction< A >::type function, const Expression< A > &expression) | |
Construct a unary function expression. | |
template<typename A1 , typename A2 > | |
Expression (typename BinaryFunction< A1, A2 >::type function, const Expression< A1 > &expression1, const Expression< A2 > &expression2) | |
Construct a binary function expression. | |
template<typename A1 , typename A2 , typename A3 > | |
Expression (typename TernaryFunction< A1, A2, A3 >::type function, const Expression< A1 > &expression1, const Expression< A2 > &expression2, const Expression< A3 > &expression3) | |
Construct a ternary function expression. | |
template<typename A > | |
Expression (const Expression< A > &expression, T(A::*method)(typename MakeOptionalJacobian< T, A >::type) const) | |
Construct a nullary method expression. | |
template<typename A1 , typename A2 > | |
Expression (const Expression< A1 > &expression1, T(A1::*method)(const A2 &, typename MakeOptionalJacobian< T, A1 >::type, typename MakeOptionalJacobian< T, A2 >::type) const, const Expression< A2 > &expression2) | |
Construct a unary method expression. | |
template<typename A1 , typename A2 , typename A3 > | |
Expression (const Expression< A1 > &expression1, T(A1::*method)(const A2 &, const A3 &, typename MakeOptionalJacobian< T, A1 >::type, typename MakeOptionalJacobian< T, A2 >::type, typename MakeOptionalJacobian< T, A3 >::type) const, const Expression< A2 > &expression2, const Expression< A3 > &expression3) | |
Construct a binary method expression. | |
virtual | ~Expression () |
Destructor. | |
std::set< Key > | keys () const |
Return keys that play in this expression. | |
void | dims (std::map< Key, int > &map) const |
Return dimensions for each argument, as a map. | |
void | print (const std::string &s) const |
Print. | |
T | value (const Values &values, boost::optional< std::vector< Matrix > & > H=boost::none) const |
Return value and optional derivatives, reverse AD version Notes: this is not terribly efficient, and H should have correct size. More... | |
virtual boost::shared_ptr< Expression > | clone () const |
const boost::shared_ptr< internal::ExpressionNode< T > > & | root () const |
Return root. | |
size_t | traceSize () const |
Return size needed for memory buffer in traceExecution. | |
Expression< T > & | operator+= (const Expression< T > &e) |
Add another expression to this expression. | |
Additional Inherited Members | |
Public Types inherited from gtsam::Expression< T > | |
typedef Expression< T > | type |
Define type so we can apply it as a meta-function. | |
Protected Types inherited from gtsam::Expression< T > | |
typedef std::pair< KeyVector, FastVector< int > > | KeysAndDims |
Keys and dimensions in same order. | |
Protected Member Functions inherited from gtsam::Expression< T > | |
Expression (const boost::shared_ptr< internal::ExpressionNode< T > > &root) | |
Construct with a custom root. | |
Expression () | |
Default constructor, for serialization. | |
KeysAndDims | keysAndDims () const |
T | valueAndDerivatives (const Values &values, const KeyVector &keys, const FastVector< int > &dims, std::vector< Matrix > &H) const |
private version that takes keys and dimensions, returns derivatives | |
T | traceExecution (const Values &values, internal::ExecutionTrace< T > &trace, void *traceStorage) const |
trace execution, very unsafe | |
T | valueAndJacobianMap (const Values &values, internal::JacobianMap &jacobians) const |
brief Return value and derivatives, reverse AD version | |
Protected Attributes inherited from gtsam::Expression< T > | |
boost::shared_ptr< internal::ExpressionNode< T > > | root_ |