SNESNGSFn#

A prototype of a SNES nonlinear Gauss-Seidel function that would be passed to SNESSetNGS()

Synopsis#

PETSC_EXTERN_TYPEDEF typedef PetscErrorCode(SNESNGSFn)(SNES snes, Vec u, Vec b, void *ctx);

Calling Sequence#

  • snes - the SNES context obtained from SNESCreate()

  • u - the current solution, updated in place

  • b - the right-hand side vector (which may be NULL)

  • ctx - [optional] user-defined context for matrix evaluation routine

See Also#

SNES: Nonlinear Solvers, SNES, SNESSetJacobian(), SNESGetJacobian(), SNESFunctionFn, SNESSetFunction(), SNESGetFunction(), SNESJacobianFn

Level#

beginner

Location#

include/petscsnes.h

Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages