petsc-3.10.5 2019-03-28
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# SNESNGSFunction

function used to convey a Gauss-Seidel sweep on the nonlinear function

### Synopsis

    #include <petscsnes.h>
    $    SNESNGSFunction(SNES snes,Vec x,Vec b,void *ctx);

| X | - solution vector
| B | - RHS vector
| ctx | - optional user-defined Gauss-Seidel context

### See Also

SNESSetNGS(), SNESGetNGS()

### 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