MEAL::PhysicalCoherency Class Reference

A coherency matrix with determinant greater than zero. More...

#include <PhysicalCoherency.h>

Inheritance diagram for MEAL::PhysicalCoherency:
MEAL::Coherency MEAL::Complex2 MEAL::Evaluable< Jones< double > > MEAL::Function Reference::Able Reference::HeapTracked

Public Member Functions

 PhysicalCoherency ()
 Default constructor.
 
virtual void set_stokes (const Stokes< double > &stokes)
 Set the Stokes parameters of the model.
 
virtual void set_stokes (const Stokes< Estimate< double > > &stokes)
 Set the Stokes parameters and their estimated errors. More...
 
virtual Stokes< Estimate< double > > get_stokes () const
 Get the Stokes parameters and their estimated errors. More...
 
std::string get_name () const
 Return the name of the class.
 
- Public Member Functions inherited from MEAL::Coherency
 Coherency ()
 Default constructor.
 
void set_param_name_prefix (const std::string &prefix)
 Set the prefix to each parameter name.
 
const std::string & get_param_name_prefix () const
 
- Public Member Functions inherited from MEAL::Complex2
virtual Complex2clone () const
 Clone method.
 
- Public Member Functions inherited from MEAL::Evaluable< Jones< double > >
 Evaluable ()
 Default constructor.
 
 Evaluable (const Evaluable &copy)
 Copy constructor.
 
Evaluableoperator= (const Evaluable &copy)
 Assignment operator.
 
Jones< double > evaluate (std::vector< Jones< double > > *grad=0) const
 Return the Jones matrix and its gradient.
 
EstimateTraits< Jones< double > >::type estimate () const
 Return the Jones Estimate matrix.
 
- Public Member Functions inherited from MEAL::Function
 Function ()
 Default constructor.
 
 Function (const Function &model)
 Copy constructor.
 
Functionoperator= (const Function &model)
 Assignment operator.
 
virtual ~Function ()
 Virtual destructor.
 
virtual void copy (const Function *model)
 Does the work for operator =.
 
virtual TextInterface::Parserget_interface ()
 Return a text interface that can be used to access this instance.
 
virtual void parse (const std::string &text)
 Parses the values of model parameters and fit flags from a string.
 
virtual void print (std::string &text) const
 Prints the values of model parameters and fit flags to a string.
 
virtual std::string get_description () const
 Return the description of the class.
 
unsigned get_nparam () const
 Return the number of parameters.
 
std::string get_param_name (unsigned index) const
 Return the name of the specified parameter.
 
std::string get_param_description (unsigned index) const
 Return the description of the specified parameter.
 
double get_param (unsigned index) const
 Return the value of the specified parameter.
 
void set_param (unsigned index, double value)
 Set the value of the specified parameter.
 
double get_variance (unsigned index) const
 Return the variance of the specified parameter.
 
void set_variance (unsigned index, double value)
 Set the variance of the specified parameter.
 
bool get_infit (unsigned index) const
 Return true if parameter at index is to be fitted.
 
void set_infit (unsigned index, bool flag)
 Set flag for parameter at index to be fitted.
 
void set_argument (unsigned dimension, Argument *axis)
 Set the independent variable of the specified dimension.
 
Estimate< double > get_Estimate (unsigned index) const
 Return an Estimate of the specified parameter.
 
void set_Estimate (unsigned index, const Estimate< double > &param)
 Set the Estimate of the specified parameter.
 
void set_verbose (bool)
 Set the verbosity of this instance.
 
bool get_verbose () const
 Get the verbosity of this instance.
 
void set_evaluation_changed (bool _changed=true)
 Set true if the Function evaluation has changed.
 
bool get_evaluation_changed () const
 Return true if the Function evaluation has changed.
 
const ParameterPolicyget_parameter_policy () const
 Provide access to the parameter_policy attribute.
 
bool has_parameter_policy () const
 Some wrappers may not have a parameter policy.
 
virtual void print_parameters (std::string &text, const std::string &separator) const
 Prints the values of model parameters and fit flags to a string.
 
- Public Member Functions inherited from Reference::Able
 Able (const Able &)
 
Ableoperator= (const Able &)
 
unsigned get_reference_count () const
 
- Public Member Functions inherited from Reference::HeapTracked
 HeapTracked (const HeapTracked &)
 
HeapTrackedoperator= (const HeapTracked &)
 
bool __is_on_heap () const
 

Protected Member Functions

void calculate (Jones< double > &result, std::vector< Jones< double > > *)
 Calculate the Jones matrix and its gradient.
 
- Protected Member Functions inherited from MEAL::Evaluable< Jones< double > >
void calculate (Evaluable *eval, Jones< double > &result, std::vector< Jones< double > > *grad)
 Use the calculate method of another Evaluable instance.
 
void copy_evaluation_policy (const Evaluable *other)
 
- Protected Member Functions inherited from MEAL::Function
void copy_evaluation_changed (const Function &model)
 Copy the evaluation changed state of another model instance.
 
void copy_parameter_policy (const Function *)
 Copy the parameter policy of another instance.
 
void set_parameter_policy (ParameterPolicy *policy)
 Set the parameter policy.
 
- Protected Member Functions inherited from Reference::Able
Handle__reference (bool active) const
 
void __dereference (bool auto_delete=true) const
 

Additional Inherited Members

- Public Types inherited from MEAL::Evaluable< Jones< double > >
typedef Jones< double > Result
 The return type of the evaluate method.
 
- Public Types inherited from MEAL::Function
enum  Attribute { ParameterCount, Evaluation }
 Function attributes that require the attention of Composite models. More...
 
- Static Public Member Functions inherited from MEAL::Function
template<class Model >
static Model * load (const std::string &filename)
 Construct a new Model instance from a file.
 
static Functionload_Function (const std::string &filename)
 Construct a new Function instance from a file.
 
static Functionfactory (const std::string &text)
 Construct a new Function instance from a string. More...
 
- Static Public Member Functions inherited from Reference::Able
static size_t get_instance_count ()
 
- Static Public Member Functions inherited from Reference::HeapTracked
static void * operator new (size_t size, void *ptr=0)
 
static void operator delete (void *location, void *ptr)
 
static void operator delete (void *location)
 
static size_t get_heap_queue_size ()
 
- Public Attributes inherited from MEAL::Function
Callback< Attributechanged
 Callback executed when a Function Attribute has been changed.
 
- Static Public Attributes inherited from MEAL::Complex2
static const char * Name = "Complex2"
 The name of the class. More...
 
- Static Public Attributes inherited from MEAL::Evaluable< Jones< double > >
static const char * Name
 The name of the class.
 
- Static Public Attributes inherited from MEAL::Function
static bool verbose = false
 Verbosity flag.
 
static bool very_verbose = false
 Low-level verbosity flag.
 
static bool check_zero = false
 When set, some Functions will throw an Error if they evaluate to zero.
 
static bool check_variance = false
 When set, some Functions will throw an Error if input variance <= 0.
 
static bool cache_results = false
 When set, use the Cached evaluation policy and callbacks.
 
- Protected Attributes inherited from MEAL::Coherency
std::string param_name_prefix
 Prefix added to all parameter names.
 
- Protected Attributes inherited from MEAL::Evaluable< Jones< double > >
Reference::To< EvaluationPolicy< Jones< double > > > evaluation_policy
 The policy for managing function evaluation.
 
- Protected Attributes inherited from MEAL::Function
Reference::To< ParameterPolicyparameter_policy
 The policy for managing function parameters.
 
Reference::To< ArgumentPolicyargument_policy
 The policy for managing function arguments.
 
bool set_parameter_policy_context
 Set the parameter policy context.
 
bool this_verbose
 The verbosity of this instance.
 

Detailed Description

A coherency matrix with determinant greater than zero.

This class enforces the det(rho) > 0 restriction by parameterizing the four degress of freedom as:

  1. log(Inv), where inv is the Stokes invariant interval
  2. Stokes Q
  3. Stokes U
  4. Stokes V

Member Function Documentation

◆ get_stokes()

Stokes< Estimate< double > > MEAL::PhysicalCoherency::get_stokes ( ) const
virtual

Get the Stokes parameters and their estimated errors.

Set the Stokes parameters of the model.

Reimplemented from MEAL::Coherency.

References MEAL::exp(), and MEAL::sqrt().

◆ set_stokes()

void MEAL::PhysicalCoherency::set_stokes ( const Stokes< Estimate< double > > &  stokes)
virtual

Set the Stokes parameters and their estimated errors.

Set the Stokes parameters of the model.

Reimplemented from MEAL::Coherency.

References MEAL::log().


The documentation for this class was generated from the following files:

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