DiscretizationEvaluateOperatorGalerkinMF

This function calculates the weak form of the action of an operator over a single element.

Synopsis

#include "discretization.h" 
int DiscretizationEvaluateOperatorGalerkinMF(Discretization disc, Mesh mesh, int elemSize, int rowStart, int colStart, int op,
                                             PetscScalar alpha, int elem, PetscScalar *field, PetscScalar *app, PetscScalar *vec, PetscScalar *mat, void *ctx)

Collective on Discretization

Input Parameters

	disc	- The discretization
	mesh	- The associated mesh
	elemSize	- The size of the element matrix
	rowStart	- The starting row index in the element matrix
	colStart	- The starting column index in the element matrix
	op	- The operator index (of registered operators)
	alpha	- The scalar multiple of the operator
	elem	- The local element number
	field	- The element vector for the grid vector acted upon
	app	- The element vector to which to apply the matrix, usually identical to field
	mat	- A temporary element matrix for work space
	ctx	- The user-supplied context

Output Parameter

vec -The element vector for the given element

Keywords

discretization, operator, MF, weak form

DiscretizationEvaluateOperatorGalerkinMF

Synopsis

Input Parameters

Output Parameter

Keywords

See Also