#include <Chi2Dist.h>
Inheritance diagram for Chi2Dist:
This function computes the chi-squared distribution for the number of degrees-of-freedom
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Definition at line 26 of file Chi2Dist.h.
Public Member Functions | |
virtual void | addToComposite (FunctionBase *) |
Does nothing. | |
Chi2Dist (double norm, double nu, double scale) | |
The constructor takes the values of parameters as arguments. | |
Chi2Dist () | |
The default constructor. | |
virtual FunctionBase * | clone () const |
Creates a new function object by copying an existing one. | |
virtual int | count () |
Returns 0. | |
virtual const std::vector< double > & | getParameters () |
Returns the values of the parameters as a vector. | |
virtual bool | hasDerivatives () const |
Returns true if function can calculate its partial derivatives. | |
virtual void | initialParameters (const FunctionHelper *helper) |
Sets the FunctionHelper so that the function can calculate a reasonable set of initial parameter values. | |
virtual double | integrate (double lower_limit, double upper_limit) const |
Returns the integral of the function from the lower limit to the higher limit. | |
virtual bool | isComposite () const |
Returns false . | |
const std::string & | name () const |
Returns the name of the function. | |
virtual double | operator() (const std::vector< double > &v) const |
The function call operator for multi-dimension coordinate variable. | |
virtual double | operator() (double x) const |
The function call operator. | |
virtual const std::vector< std::string > & | parmNames () const |
Returns a reference to a vector of parameter names. | |
virtual void | removeFromComposite (FunctionBase *) |
Does nothing. | |
virtual std::vector< double >::const_iterator | setParameters (std::vector< double >::const_iterator it) |
Sets the parameter values to the value pointed to by the iterator. | |
virtual void | setParameters (const std::vector< double > &incr) |
Sets the parameter values. | |
void | setParmNames (const std::vector< std::string > &names) |
Sets the names of the parameters. | |
virtual int | size () const |
Returns the number of parameters. | |
Protected Member Functions | |
virtual double | derivByParm (int i, double x) const |
Returns the function's derivative at the coordinate value x with respect to the i-th parameter. | |
virtual void | initialize () |
Initializes the function and parameters names. | |
virtual void | resize () |
Resizes the appropriate vectors maintained in this base class. | |
void | setName (const char *) |
Sets the name of the function. | |
Protected Attributes | |
std::string | m_name |
The name of the function. | |
std::vector< std::string > | m_parm_names |
The names of the function parameters. | |
std::vector< double > | m_parms |
The parameter values. |
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The default constructor.
Definition at line 34 of file Chi2Dist.cxx. References initialize(). Referenced by clone(). |
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The constructor takes the values of parameters as arguments.
Definition at line 39 of file Chi2Dist.cxx. References initialize(), and FunctionBase::m_parms. |
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Does nothing. Derived classes that are a composite of functions should override this member function and add functions to the composite. Reimplemented in LinearSumFunction. Definition at line 160 of file FunctionBase.cxx. Referenced by FunctionController::addFunctionRep(), and FunctionController::buildComposite(). |
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Creates a new function object by copying an existing one. The implementation raises an assertion as this member function should be reimplemented in s derived class.
Reimplemented from FunctionBase. Definition at line 58 of file Chi2Dist.cxx. References Chi2Dist(). |
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Returns 0. Derived classes that are a composite of functions should override this member function to return the number of functions in the composite. Reimplemented in LinearSumFunction. Definition at line 168 of file FunctionBase.cxx. Referenced by FunctionController::removeFunction(). |
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Returns the function's derivative at the coordinate value Derived classes must implement this function.
Reimplemented from FunctionBase. Definition at line 80 of file Chi2Dist.cxx. References std::log(), FunctionBase::m_parms, and operator()(). |
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Returns the values of the parameters as a vector. The function is non-const because a derived class may need to create the vector. Reimplemented in LinearSumFunction. Definition at line 99 of file FunctionBase.cxx. References FunctionBase::m_parms. Referenced by FunctionProjectorXML::createElement(), FuncParmRep::drawProjectedValues(), hippodraw::Python::export_FunctionBase(), FunctionRep::parameters(), FunctionProjector::saveParameters(), and FunctionProjector::setParameters(). |
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Returns
This base class implementation returns Reimplemented in LogNormal. Definition at line 124 of file FunctionBase.cxx. |
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Initializes the function and parameters names.
Reimplemented from FunctionBase. Definition at line 48 of file Chi2Dist.cxx. References FunctionBase::m_name, FunctionBase::m_parm_names, and FunctionBase::resize(). Referenced by Chi2Dist(). |
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Sets the FunctionHelper so that the function can calculate a reasonable set of initial parameter values.
Reimplemented from FunctionBase. Definition at line 72 of file Chi2Dist.cxx. References FunctionBase::m_parms, FunctionHelper::maxValue(), FunctionHelper::meanCoord(), and operator()(). |
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Returns the integral of the function from the lower limit to the higher limit. As of now all the integration is done here numerically using the trapezoidal rule. Derived class may implement an analytical expression in place of this numerical method. Definition at line 132 of file FunctionBase.cxx. References FunctionBase::operator()(). |
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Returns
Derived classes that are a composite of functions should override this member function and return Reimplemented in LinearSumFunction. Definition at line 155 of file FunctionBase.cxx. Referenced by FunctionController::addFunctionRep(), FunctionRep::isComposite(), FunctionController::removeFunction(), FunctionController::restoreParameters(), and FunctionController::saveParameters(). |
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Returns the name of the function.
Definition at line 81 of file FunctionBase.cxx. References FunctionBase::m_name. Referenced by FunctionController::addFunctionRep(), FunctionProjectorXML::createElement(), FunctionController::createNTuple(), FuncParmRep::drawProjectedValues(), hippodraw::Python::export_FunctionBase(), FunctionController::functionNames(), FunctionProjector::getTitle(), FunctionProjector::getYLabel(), and LinearSumFunction::parmNames(). |
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The function call operator for multi-dimension coordinate variable. Returns the value of the function at coordinate represented by v. The implementation in this base class uses the first element of the vector and calls operator () ( double ). Reimplemented in FunctionWrap. Definition at line 175 of file FunctionBase.cxx. References FunctionBase::operator()(). |
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The function call operator.
Reimplemented from FunctionBase. Definition at line 63 of file Chi2Dist.cxx. References std::exp(), FunctionBase::m_parms, and std::pow(). Referenced by derivByParm(), and initialParameters(). |
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Returns a reference to a vector of parameter names.
Reimplemented in LinearSumFunction. Definition at line 86 of file FunctionBase.cxx. References FunctionBase::m_parm_names. Referenced by FuncParmRep::drawProjectedValues(), hippodraw::Python::export_FunctionBase(), and FunctionRep::parmNames(). |
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Does nothing. Derived classes that are a composite of functions should override this member function and remove functions from the composite. Reimplemented in LinearSumFunction. Definition at line 164 of file FunctionBase.cxx. Referenced by FunctionController::removeFunction(). |
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Resizes the appropriate vectors maintained in this base class. Derived classes should call this member function after initializing the m_parm_names data member, as the new size is taken from that data member's size. Definition at line 71 of file FunctionBase.cxx. References FunctionBase::m_parm_names, FunctionBase::m_parms, and FunctionBase::size(). Referenced by Quadratic2::initialize(), Quadratic::initialize(), PowerLaw::initialize(), LogNormal::initialize(), Linear::initialize(), Landau::initialize(), Gaussian::initialize(), FunctionWrap::initialize(), Exponential::initialize(), Erfc::initialize(), ConstantF::initialize(), initialize(), BrokenPowerLaw::initialize(), FunctionWrap::setParmNames(), and FunctionBase::setParmNames(). |
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Sets the name of the function.
Definition at line 66 of file FunctionBase.cxx. References FunctionBase::m_name. Referenced by FunctionWrap::setName(). |
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Sets the parameter values to the value pointed to by the iterator. Returns an iterator to a data element one past the last used data element. Reimplemented in LinearSumFunction. Definition at line 112 of file FunctionBase.cxx. References FunctionBase::m_parms, and FunctionBase::size(). |
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Sets the parameter values. Derived classes should implement this function by invoking incrementValues ( vector< double >::const_iterator ) so that they correctly work with the LinearSumFunction class. Definition at line 104 of file FunctionBase.cxx. Referenced by hippodraw::Python::export_FunctionBase(), FunctionProjector::restoreParameters(), FunctionProjectorXML::setAttributes(), and FunctionProjector::setParameters(). |
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Sets the names of the parameters.
Reimplemented in FunctionWrap. Definition at line 93 of file FunctionBase.cxx. References FunctionBase::m_parm_names, and FunctionBase::resize(). |
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Returns the number of parameters.
Reimplemented in LinearSumFunction. Definition at line 150 of file FunctionBase.cxx. References FunctionBase::m_parm_names. Referenced by LogNormal::initialParameters(), Gaussian::initialParameters(), FunctionBase::resize(), FunctionProjectorXML::setAttributes(), and FunctionBase::setParameters(). |
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The name of the function.
Definition at line 105 of file FunctionBase.h. Referenced by FunctionBase::FunctionBase(), Quadratic2::initialize(), Quadratic::initialize(), PowerLaw::initialize(), LogNormal::initialize(), LinearSumFunction::initialize(), Linear::initialize(), Landau::initialize(), Gaussian::initialize(), Exponential::initialize(), Erfc::initialize(), ConstantF::initialize(), initialize(), BrokenPowerLaw::initialize(), FunctionBase::name(), and FunctionBase::setName(). |
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The names of the function parameters.
Definition at line 108 of file FunctionBase.h. Referenced by Quadratic2::initialize(), Quadratic::initialize(), PowerLaw::initialize(), LogNormal::initialize(), Linear::initialize(), Landau::initialize(), Gaussian::initialize(), Exponential::initialize(), Erfc::initialize(), ConstantF::initialize(), initialize(), BrokenPowerLaw::initialize(), LinearSumFunction::parmNames(), FunctionBase::parmNames(), FunctionBase::resize(), FunctionWrap::setParmNames(), FunctionBase::setParmNames(), and FunctionBase::size(). |
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