petsc-3.12.4 2020-02-04
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# SNESResetFromOptions

Sets various SNES and KSP parameters from user options ONLY if the SNES was previously set from options

### Synopsis

    #include "petscsnes.h"
    PetscErrorCode SNESResetFromOptions(SNES snes)

Collective on SNES

### Input Parameter

snes -the SNES context

### See Also

SNESSetFromOptions(), SNESSetOptionsPrefix()

### Level

beginner

### Location

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