PETSc version 3.17.0
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# PetscDSGetFieldOffset

Returns the offset of the given field in the full space basis

### Synopsis

    #include "petscds.h"
    PetscErrorCode PetscDSGetFieldOffset(PetscDS prob, PetscInt f, PetscInt *off)

Not collective

### Input Parameters

| prob | - The PetscDS object
| f | - The field number

### Output Parameter

| off | - The offset

### See Also

PetscDSGetFieldSize(), PetscDSGetNumFields(), PetscDSCreate()

### Level

beginner

### Location

src/dm/dt/interface/dtds.c
Index of all DT routines
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