petsc-master 2015-07-29
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SNESFunction

Functional form used to convey the nonlinear function to be solved by SNES

Synopsis

#include "petscsnes.h"
PetscErrorCode SNESFunction(SNES snes,Vec x,Vec f,void *ctx);

Input Parameters

snes - the SNES context
x - state at which to evaluate residual
ctx - optional user-defined function context, passed in with SNESSetFunction()

Output Parameter

f -vector to put residual (function value)

See Also

SNESSetFunction(), SNESGetFunction()

Level:intermediate
Location:
src/snes/interface/snes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages