hessian.c File Reference

Detailed Description

Implementation of the THessian type and the associated functions.

See Also

THessian, hessian.h.

Definition in file hessian.c.

Functions
void	InitHessian (TJacobian *j, THessian *h)
	Constructor. More...
void	AllocateHessianEvaluation (double ****m, THessian *h)
	Allocate space for the Hessian evaluation. More...
void	EvaluateHessian (double *v, double ***m, THessian *h)
	Evaluates the Hessian. More...
void	FreeHessianEvaluation (double ***m, THessian *h)
	Release space for the Hessian evaluation. More...
void	DeleteHessian (THessian *h)
	Destructor. More...

Function Documentation

void InitHessian	(	TJacobian *	j,
		THessian *	h
	)

Initializes the Hessian deriving the Jacobian of a set of equations.

Parameters

j	The Jacobian
h	The resulting Hessian.

Definition at line 16 of file hessian.c.

References DeriveEqualityEquations(), GetJacobianColumn(), GetJacobianSize(), THessian::H, THessian::neqs, NEW, and THessian::nvars.

Referenced by RefineSingularPoint().

void AllocateHessianEvaluation	(	double ****	m,
		THessian *	h
	)

Allocate space for the Hessian evaluation.

Parameters

m	The allocated space.
h	The Hessian to evaluate.

Definition at line 33 of file hessian.c.

References THessian::neqs, NEW, and THessian::nvars.

Referenced by RefineSingularPoint().

void EvaluateHessian	(	double *	v,
		double ***	m,
		THessian *	h
	)

Evaluates the Hessian for a given value of the variables.

Parameters

v	The value for the variables.
m	The matrix where to store the result (see AllocateHessianEvaluation).
h	The Hessian to evalute.

Definition at line 46 of file hessian.c.

References EvaluateEqualityEquations(), FALSE, THessian::H, THessian::neqs, NEW, and THessian::nvars.

Referenced by RefineSingularPoint().

void FreeHessianEvaluation	(	double ***	m,
		THessian *	h
	)

Release space for the Hessian evaluation typically allocated using AllocateHessianEvaluation.

Parameters

m	The space to release.
h	The corresponding Hessian.

Definition at line 64 of file hessian.c.

References THessian::neqs, and THessian::nvars.

Referenced by RefineSingularPoint().

void DeleteHessian

(

THessian *

h

)

Release a Hessian structure.

Parameters

h	The Hessian structure to release.

Definition at line 77 of file hessian.c.

References DeleteEquations(), THessian::H, and THessian::nvars.

Referenced by DeleteAtlas().