Sum of the squares of differentiable functions. More...
#include <roboptim/core/sum-of-c1-squares.hh>
Public Member Functions | |
SumOfC1Squares (const boost::shared_ptr< DifferentiableFunction > &function, const std::string &name) throw () | |
Constructot by vector valued functions The value of this scalar valued function is the sum of the squares of the coordinates of the vector valued base function. More... | |
SumOfC1Squares (const SumOfC1Squares &function) throw () | |
virtual | ~SumOfC1Squares () throw () |
const boost::shared_ptr< const DifferentiableFunction > & | baseFunction () const |
Get base function Base function is the vector valued function given at construction of this class. More... | |
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ROBOPTIM_FUNCTION_FWD_TYPEDEFS_ (GenericFunction< T >) | |
size_type | gradientSize () const throw () |
Return the gradient size. More... | |
jacobianSize_t | jacobianSize () const throw () |
Return the jacobian size as a pair. More... | |
bool | isValidGradient (const gradient_t &gradient) const throw () |
Check if the gradient is valid (check size). More... | |
bool | isValidJacobian (const jacobian_t &jacobian) const throw () |
Check if the jacobian is valid (check sizes). More... | |
jacobian_t | jacobian (const argument_t &argument) const throw () |
Computes the jacobian. More... | |
void | jacobian (jacobian_t &jacobian, const argument_t &argument) const throw () |
Computes the jacobian. More... | |
gradient_t | gradient (const argument_t &argument, size_type functionId=0) const throw () |
Computes the gradient. More... | |
void | gradient (gradient_t &gradient, const argument_t &argument, size_type functionId=0) const throw () |
Computes the gradient. More... | |
virtual std::ostream & | print (std::ostream &o) const throw () |
Display the function on the specified output stream. More... | |
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bool | isValidResult (const result_t &result) const throw () |
Check the given result size is valid. More... | |
GenericFunction< T >::size_type | inputSize () const throw () |
Return the input size (i.e. More... | |
GenericFunction< T >::size_type | outputSize () const throw () |
Return the output size (i.e. More... | |
virtual | ~GenericFunction () throw () |
Trivial destructor. More... | |
result_t | operator() (const argument_t &argument) const throw () |
Evaluate the function at a specified point. More... | |
void | operator() (result_t &result, const argument_t &argument) const throw () |
Evaluate the function at a specified point. More... | |
const std::string & | getName () const throw () |
Get function name. More... | |
Protected Member Functions | |
virtual void | impl_compute (result_t &result, const argument_t &x) const throw () |
Compute value of function Value is sum of squares of coordinates of vector valued base function. More... | |
virtual void | impl_gradient (gradient_t &gradient, const argument_t &x, size_type row=0) const throw () |
Gradient. More... | |
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GenericDifferentiableFunction (size_type inputSize, size_type outputSize=1, std::string name=std::string()) throw () | |
Concrete class constructor should call this constructor. More... | |
virtual void | impl_jacobian (jacobian_t &jacobian, const argument_t &arg) const throw () |
Jacobian evaluation. More... | |
template<> | |
void | impl_jacobian (jacobian_t &jacobian, const argument_t &argument) const throw() |
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GenericFunction (size_type inputSize, size_type outputSize=1, std::string name=std::string()) throw () | |
Concrete class constructor should call this constructor. More... | |
Additional Inherited Members | |
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static value_type | epsilon () throw () |
Get the value of the machine epsilon, useful for floating types comparison. More... | |
static value_type | infinity () throw () |
Get the value that symbolizes positive infinity. More... | |
static interval_t | makeInterval (value_type l, value_type u) throw () |
Construct an interval from a lower and upper bound. More... | |
static interval_t | makeInfiniteInterval () throw () |
Construct an infinite interval. More... | |
static interval_t | makeLowerInterval (value_type l) throw () |
Construct an interval from a lower bound. More... | |
static interval_t | makeUpperInterval (value_type u) throw () |
Construct an interval from an upper bound. More... | |
static double | getLowerBound (const interval_t &interval) throw () |
Get the lower bound of an interval. More... | |
static double | getUpperBound (const interval_t &interval) throw () |
Get the upper bound of an interval. More... | |
static discreteInterval_t | makeDiscreteInterval (value_type min, value_type max, value_type step) |
Construct a discrete interval. More... | |
static discreteInterval_t | makeDiscreteInterval (interval_t interval, value_type step) |
Construct a discrete interval. More... | |
static double | getLowerBound (const discreteInterval_t &interval) throw () |
Get the lower bound of a discrete interval. More... | |
static double | getUpperBound (const discreteInterval_t &interval) throw () |
Get the upper bound of a discrete interval. More... | |
static double | getStep (const discreteInterval_t &interval) throw () |
Get the upper step of a discrete interval. More... | |
template<typename F > | |
static void | foreach (const discreteInterval_t interval, F functor) |
Iterate on an interval. More... | |
template<typename F > | |
static void | foreach (const interval_t interval, const size_type n, F functor) |
Iterate on an interval. More... | |
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static log4cxx::LoggerPtr | logger |
Pointer to function logger (see log4cxx documentation). More... | |
Sum of the squares of differentiable functions.
This types enables roboptim to handle Levenberg Marquardt algorithm. This algorithm indeed minimizes the sum of squares of differentiable functions.
The differentiable functions are stored in a vector valued function called base function.
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explicit |
Constructot by vector valued functions The value of this scalar valued function is the sum of the squares of the coordinates of the vector valued base function.
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explicit |
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virtual |
const boost::shared_ptr< const DifferentiableFunction > & roboptim::SumOfC1Squares::baseFunction | ( | ) | const |
Get base function Base function is the vector valued function given at construction of this class.
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protectedvirtual |
Compute value of function Value is sum of squares of coordinates of vector valued base function.
ROBOPTIM_DO_NOT_CHECK_ALLOCATION
Implements roboptim::GenericFunction< T >.
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protectedvirtual |