PETSc version 3.17.4
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# DMPlexSNESComputeResidualFEM

Sums the local residual into vector F from the local input X using pointwise functions specified by the user

### Synopsis

    #include "petscdmplex.h"
    #include "petscsnes.h"
    PetscErrorCode DMPlexSNESComputeResidualFEM(DM dm, Vec X, Vec F, void *user)

### Input Parameters

| dm | - The mesh
| X | - Local solution
| user | - The user context

### Output Parameter

| F | - Local output vector

### Notes

The residual is summed into F; the caller is responsible for using VecZeroEntries() or otherwise ensuring that any data in F is intentional.

### See Also

DMPlexComputeJacobianAction()

### Level

developer

### Location

src/snes/utils/dmplexsnes.c
Index of all SNES routines
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Index of all manual pages