PETSc version 3.17.4
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# SNESSetGridSequence

sets the number of steps of grid sequencing that SNES does

### Synopsis

    #include "petscsnes.h"
    PetscErrorCode  SNESSetGridSequence(SNES snes,PetscInt steps)

Logically Collective on SNES

### Input Parameters

| snes | - the SNES context
| steps | - the number of refinements to do, defaults to 0

### Options Database Keys

| -snes_grid_sequence <steps> | - Use grid sequencing to generate initial guess

### Notes

Use SNESGetSolution() to extract the fine grid solution after grid sequencing.

### See Also

SNESSetTrustRegionTolerance(), SNESGetLagPreconditioner(), SNESSetLagJacobian(), SNESGetLagJacobian(), SNESGetGridSequence()

### 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