GSNESEvaluateJacobian

Constructs the system matrix for Newton's equation

Synopsis

#include "petscsnes.h" 
#include "gsolver.h" 
int GSNESEvaluateJacobian(GSNES snes, GVec x, GMat *J, GMat *M, MatStructure *flag, PetscObject ctx)

Collective on GSNES

Input Parameters

	snes	- The grid SNES
	x	- The current iterate
	flag	- The matrix structure flag
	ctx	- The optional user context

Output Parameters

	J	- The Jacobian matrix
	M	- The preconditioner for the Jacobian matrix, usually the same as J

Keywords

grid SNES, jacobian

See Also

GSNESEvaluateJacobianMF(), GSNESEvaluateRhs(), GridEvaluateSystemMatrix()

Level:advanced
Location:src/gsolver/interface/gsnes.c
Index of all GSolver routines
Table of Contents for all manual pages
Index of all manual pages