# PetscDSGetImplicit
Returns the flag for implicit solve for this field. This is just a guide for `TSIMEX` 
## Synopsis
```
#include "petscds.h" 
PetscErrorCode PetscDSGetImplicit(PetscDS prob, PetscInt f, PetscBool *implicit)
```
Not collective


## Input Parameters

- ***prob -*** The `PetscDS` object
- ***f -*** The field number



## Output Parameter

- ***implicit -*** The flag indicating what kind of solve to use for this field





## See Also
 `TSIMEX`, `PetscDS`, `PetscDSSetImplicit()`, `PetscDSSetDiscretization()`, `PetscDSAddDiscretization()`, `PetscDSGetNumFields()`, `PetscDSCreate()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/dt/interface/dtds.c.html#PetscDSGetImplicit">src/dm/dt/interface/dtds.c</A>


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