Namespace in which all modeling and calibration related code is declared. More...

Classes
class	Advocate
	Classes derived from Function are registered for use via an Advocate. More...

class	Agent
	Pure virtual base class of Advocate template base class. More...

class	Argument
	Pure virtual base class of function arguments. More...

class	ArgumentPolicy
	Managers of Function arguments. More...

class	ArgumentPolicyAdapter
	Adapts an object with the ArgumentPolicy interface. More...

class	Axis
	An argument of a specified type. More...

class	BasisRule
	Changes the basis of the parameterization. More...

class	BinaryRule
	Abstract base class of binary operators. More...

class	BinaryScalar
	Abstract base class of binary functions of two other Scalar functions. More...

class	Boost
	Represents a boost (Hermitian, dichroic) transformation. More...

class	Boost1
	Represents a boost (Hermitian, dichroic) transformation. More...

class	BoostUnion
	Represents a boost (Hermitian, dichroic) transformation. More...

class	Cached
	This evaluation policy uses previously cached results when possible. More...

class	CalculatePolicy
	Abstract base class of Function parameter policies. More...

class	Cast
	Converts an evaluable model to one of another type. More...

class	ChainRule
	Parameterizes a Function by one or more Scalar ordinates. More...

class	Coherency
	Represents a Hermitian coherency matrix. More...

class	Complex
	Pure virtual base class of all complex-valued functions. More...

class	Complex2
	Pure virtual base class of all complex 2x2 matrix functions. More...

class	Complex2Constant
	Represents a constant complex 2x2 matrix value. More...

class	Complex4
	Pure virtual base class of all complex-valued 4x4 matrix functions. More...

class	ComplexCartesian
	A complex number. More...

class	ComplexCorrelation
	A correlation coefficient on the unit disk in the complex plane. More...

class	ComplexRVM
	Rotating Vector Model of Stokes Q and U as a function of pulse phase. More...

class	Composite
	Parameter policy for composite functions. More...

class	CongruenceTransformation
	A congruence transformation, $\rho^\prime=J\rho J^\dagger$ . More...

class	Constant
	Represents a constant model with no parameters. More...

class	ConstrainedParameter
	A parameter and its constraining Scalar instance. More...

class	Convert
	Convert a function to another type. More...

class	CrossCoherency
	Partial coherence of 100% polarized modes. More...

class	CyclicParameter
	A periodic parameter with bounds. More...

class	Depolarizer
	Represents a pure depolarizer transformation. More...

class	Evaluable
	Template base class of functions with an evaluate method. More...

class	EvaluationPolicy
	Managers of Function value and gradient. More...

class	EvaluationTracer
	Traces changes in the result of a function. More...

class	Example
	A gain transformation. More...

class	ForwardChanged
	Forwards changed signals from other classes. More...

class	ForwardResult
	This evaluation policy forwards the result of another function. More...

class	Function
	Pure virtual base class of all functions. More...

class	FunctionPolicy
	Policies that customize Function behaviours. More...

class	Gain
	A gain transformation. More...

class	Gaussian
	Gaussian function. More...

class	GimbalLockMonitor
	Monitors a rotation during least-squares minimization. More...

class	GroupRule
	Abstract base class of closed, associative, binary operators. More...

class	Invariant
	Computes the invariant interval. More...

class	InverseRule
	Computes the inverse of a model and its partial derivatives. More...

class	JonesCloude
	Converts a Jones matrix into a Cloude target coherency matrix. More...

class	JonesMueller
	Converts a Jones matrix into a Mueller matrix. More...

class	JonesSpinor
	Returns the Spinor representation of a singular coherency matrix. More...

class	LeastSquares

class	Mean
	Used to accumulate a running mean of Complex2 model parameters. More...

class	ModeCoherency
	A coherency matrix parameterized by a logarithmic gain times a boost. More...

class	MuellerTransformation
	A Mueller transformation, $\rho^\prime=M_{ik}Tr(\sigma_k\rho)\sigma_i/2$ . More...

class	Multivariate
	Abstract template base class of multivariate Function implementations. More...

class	MultivariatePolicy
	A function of one or more scalar variables. More...

class	NegationRule
	Computes the inverse of a model and its partial derivatives. More...

class	NoParameters
	Represents a model with no parameters. More...

class	NormalizeStokes
	Normalize Stokes parameters by the invariant interval. More...

class	NotCached
	An evaluation policy that does not cache calculations. More...

class	Null
	Null function holds an arbitrary number of parameters. More...

class	OneParameter
	Abstract base class implements parameter storage and access. More...

class	OrthogonalModes
	A sum of orthogonally polarized modes. More...

class	OrthoRVM
	Orthometric Rotating Vector Model (RVM) More...

class	ParameterPolicy
	Managers of Function parameters. More...

class	Parameters
	Abstract base class implements parameter storage and access. More...

class	ParameterTracer
	Traces changes to a single parameter of a single Function. More...

class	Phase
	A complex exponential parameterized by phase. More...

class	PhaseGradients
	Multiple phase gradients parameterized by their slopes. More...

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

class	Polar
	Represents the polar decomposition of a transformation. More...

class	Polynomial
	Polynomial function with an arbitrary number of coefficients. More...

class	PositionAngles
	Function returns position angle(s) as a function of frequency. More...

class	PowerLaw
	PowerLaw function. More...

class	ProductRule
	Represents a product of models. More...

class	Project
	Template combines a reference to a Component and its Projection. More...

class	Projection
	Manages a Function and the mapping of its parameters into a Composite. More...

class	RandomPolar
	Generates a random Polar transformation within limits. More...

class	Real4
	Pure virtual base class of all real-valued 4x4 matrix functions. More...

class	RotatingVectorModel
	The Rotating Vector Model (RVM) of Radhakrishnan & Cooke. More...

class	Rotation
	Represents a rotation (passive unitary transformation) about a free axis. More...

class	Rotation1
	Represents a rotation (passive unitary transformation) about a fixed axis. More...

class	RVM
	Base class of different Rotating Vector Model parameterizations. More...

class	Scalar
	Pure virtual base class of scalar functions. More...

class	ScalarAbsolute
	The absolute value of a Scalar function. More...

class	ScalarArgument
	Represents a scalar argument, . More...

class	ScalarBesselI0
	Modified Bessel Function of the first kind, order zero. More...

class	ScalarConstant
	Represents a constant scalar value with no parameters or arguments. More...

class	ScalarCosine
	The cosine of a Scalar function. More...

class	ScalarErrorFunction
	The error function $\mathrm{erf}(x)$ of a Scalar function. More...

class	ScalarExponential
	The exponential of a Scalar function. More...

class	ScalarHypCosine
	The hyperbolic cosine of a Scalar function. More...

class	ScalarHypSine
	The hyperbolic sine of a Scalar function. More...

class	ScalarHypTangent
	The hyperbolic tangent of a Scalar function. More...

class	ScalarInverseHypTangent
	The inverse hyperbolic tangent of a Scalar function. More...

class	ScalarInverseTangent
	The inverse tangent of the ratio of two Scalar functions. More...

class	ScalarInverseTangent2
	The inverse tangent of the ratio of two Scalar functions. More...

class	ScalarLogarithm
	The logarithm of a Scalar function. More...

class	ScalarLogistic
	The logistic of a Scalar function. More...

class	ScalarMath
	Convenience interface to building expressions from elements. More...

class	ScalarParameter
	Represents a scalar parameter, . More...

class	ScalarPower
	The tangent of a Scalar function. More...

class	ScalarRoot
	The square root of a Scalar function. More...

class	ScalarSine
	The sine of a Scalar function. More...

class	ScalarTangent
	The tangent of a Scalar function. More...

class	ScalarVector
	Scalar functions that depend on an index. More...

class	ScaledVonMises
	ScaledVonMises function. More...

class	ScaledVonMisesDeriv
	ScaledVonMisesDeriv function. More...

class	SingularCoherency
	A coherency matrix with determinant equal to zero. More...

class	Spinor
	Pure virtual base class of scalar functions. More...

class	SpinorJones
	Returns the outer product of two spinors, $A B^\dagger$ . More...

class	Steps
	A function with an arbitrary number of steps. More...

class	StokesCovariance
	Propagates Stokes parameter covariances through congruence transformation. More...

class	StokesError
	Propagates Stokes parameter uncertainty through congruence transformation. More...

class	SumRule
	Represents a sum of models. More...

class	Tracer
	Traces changes in a single Function instance. More...

class	Transformation
	Base class of transformations. More...

class	UnaryConvert
	Convert a function to another type using a unary function. More...

class	UnaryExample
	Example of a UnaryScalar child. More...

class	UnaryRule
	Abstract base class of unary operators. More...

class	UnaryScalar
	Abstract base class of unary functions of another Scalar function. More...

class	Union
	Represents the union of disjoint vector subspaces. More...

class	UnitTangent
	Represents a unit vector in three-dimensional space. More...

class	Univariate
	Abstract template base class of univariate Function implementations. More...

class	UnivariatePolicy
	A function of one scalar variable. More...

class	Value
	Represents a value with no free parameters. More...

class	Vectorize
	Converts a higher dimensional function into a ScalarVector. More...

class	VectorRule
	VectorRule implements a vector of Functions with a current index. More...

class	VonMises
	Von Mises function. More...

class	Wrap
	Wrap another function. More...

Functions
template<class To , class From >
To *	cast (From *from)

template<class To , class From >
To *	cast (Reference::To< From > &from)

void	covariance (Scalar *function, unsigned index, std::vector< unsigned > &imap, std::vector< std::vector< double > > &covar)

void	get_imap (const Function composite, const Function component, std::vector< unsigned > &imap)

template<class T , class U >
void	GaussJordan (std::vector< std::vector< T > > &a, std::vector< std::vector< U > > &b, int nrow=-1, double singular_threshold=0.0)

template<class T >
NegationRule< T > *	negation (T *model)
	Returns a new negation of the model.

template<class T >
void	parse (const std::string &filename, T *instance)

template<class T >
ProductRule< T > *	product (T A, T B)

template<class T >
ProductRule< T > *	product (Reference::To< T > &A, T *B)

template<class T >
ProductRule< T > *	product (T *A, Reference::To< T > &B)

template<class T >
ProductRule< T > *	product (Reference::To< T > &A, Reference::To< T > &B)

template<class Function , class Grad >
void	ProjectGradient (const Project< Function > &model, unsigned &igrad, const std::vector< Grad > &input, std::vector< Grad > &output)

template<class Function , class Grad >
void	ProjectGradient (const Project< Function > &model, const std::vector< Grad > &input, std::vector< Grad > &output)

template<class Function , class Grad >
void	ProjectGradient (const std::vector< Project< Function > > &model, const std::vector< Grad > &input, std::vector< Grad > &output)

template<class Type >
SumRule< Type > *	Sum (Type a, Type b)

template<class Type >
SumRule< Type > *	Difference (Type a, Type b)

template<class Type >
NegationRule< Type > *	Negation (Type *a)

template<class Type >
ProductRule< Type > *	Product (Type a, Type b)

template<class Type >
ProductRule< Type > *	Quotient (Type a, Type b)

const ScalarMath	operator- (const ScalarMath &b)
	Negation operator.

const ScalarMath	operator+ (const ScalarMath &b)
	Nothing operator.

const ScalarMath	operator+ (const ScalarMath &a, const ScalarMath &b)
	Return a ScalarMath instance representing a+b.

const ScalarMath	operator- (const ScalarMath &a, const ScalarMath &b)
	Return a ScalarMath instance representing a-b.

const ScalarMath	operator* (const ScalarMath &a, const ScalarMath &b)
	Return a ScalarMath instance representing a*b.

const ScalarMath	operator/ (const ScalarMath &a, const ScalarMath &b)
	Return a ScalarMath instance representing a/b.

bool	operator== (const ScalarMath &a, const ScalarMath &b)
	Return true if the expression evaluations are equal.

bool	operator!= (const ScalarMath &a, const ScalarMath &b)
	Return true if the expression evaluations are not equal.

bool	operator< (const ScalarMath &a, const ScalarMath &b)
	Return true if the expression evaluation of a is less than that of b.

bool	operator> (const ScalarMath &a, const ScalarMath &b)
	Return true if the expression evaluation of a is less than that of b.

bool	operator<= (const ScalarMath &, const ScalarMath &)
	Comparison operator.

bool	operator>= (const ScalarMath &, const ScalarMath &)
	Comparison operator.

const ScalarMath	pow (const ScalarMath &x, const ScalarMath &y)
	Return a ScalarMath instance representing x^y.

const ScalarMath	sqrt (const ScalarMath &x)
	Return a ScalarMath instance representing x^.5.

const ScalarMath	abs (const ScalarMath &x)
	Return a ScalarMath instance representing \|x\|.

const ScalarMath	sin (const ScalarMath &x)
	Return a ScalarMath instance representing sin(x)

const ScalarMath	cos (const ScalarMath &x)
	Return a ScalarMath instance representing cos(x)

const ScalarMath	tan (const ScalarMath &x)
	Return a ScalarMath instance representing tan(x)

const ScalarMath	sinh (const ScalarMath &x)
	Return a ScalarMath instance representing sinh(x)

const ScalarMath	cosh (const ScalarMath &x)
	Return a ScalarMath instance representing cosh(x)

const ScalarMath	tanh (const ScalarMath &x)
	Return a ScalarMath instance representing tanh(x)

const ScalarMath	erf (const ScalarMath &x)
	Return a ScalarMath instance representing erf(x)

const ScalarMath	exp (const ScalarMath &x)
	Return a ScalarMath instance representing exp(x)

const ScalarMath	log (const ScalarMath &x)
	Return a ScalarMath instance representing log(x)

const ScalarMath	atanh (const ScalarMath &x)
	Return a ScalarMath instance representing atanh(x)

const ScalarMath	atan (const ScalarMath &x)
	Return a ScalarMath instance representing atan(x)

const ScalarMath	atan2 (const ScalarMath &y, const ScalarMath &x)
	Return a ScalarMath instance representing tan(y/x)

std::ostream &	operator<< (std::ostream &o, const ScalarMath &sm)
	Useful for quickly printing the values.

template<class T >
SumRule< T > *	sum (T A, T B)

template<class T >
SumRule< T > *	sum (Reference::To< T > &A, T *B)

template<class T >
SumRule< T > *	sum (T *A, Reference::To< T > &B)

template<class T >
SumRule< T > *	sum (Reference::To< T > &A, Reference::To< T > &B)

template<typename T , typename M >
UnaryConvert< T, T, M > *	convert (T *function, M method)

template<typename T >
T *	convert (T function, typename T::Result(method)(const typename T::Result &))

template<class T >
Vectorize< T > *	vectorize (T *function)

bool	isnan (const ScalarMath &x)

bool	isinf (const ScalarMath &x)

const ScalarMath &	copysign (const ScalarMath &x, const ScalarMath &y)

Detailed Description

Namespace in which all modeling and calibration related code is declared.

The MEAL namespace is documented in the introduction.

Function Documentation

◆ covariance()

void MEAL::covariance	(	MEAL::Scalar *	function,
		unsigned	index,
		std::vector< unsigned > &	imap,
		std::vector< std::vector< double > > &	covar
	)

Utility for computing the covariances of parameters constrained using ChainRule

References covariance().

Referenced by covariance().

Classes

Functions

Detailed Description

Function Documentation

◆ covariance()