# TSARKIMEXType
String with the name of an Additive Runge-Kutta IMEX method. 
## Synopsis
```
typedef const char *TSARKIMEXType;
#define TSARKIMEX1BEE   "1bee"
#define TSARKIMEXA2     "a2"
#define TSARKIMEXL2     "l2"
#define TSARKIMEXARS122 "ars122"
#define TSARKIMEX2C     "2c"
#define TSARKIMEX2D     "2d"
#define TSARKIMEX2E     "2e"
#define TSARKIMEXPRSSP2 "prssp2"
#define TSARKIMEX3      "3"
#define TSARKIMEXBPR3   "bpr3"
#define TSARKIMEXARS443 "ars443"
#define TSARKIMEX4      "4"
#define TSARKIMEX5      "5"
PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts, TSARKIMEXType *);
PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts, TSARKIMEXType);
PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS, PetscBool);
PETSC_EXTERN PetscErrorCode TSARKIMEXGetFullyImplicit(TS, PetscBool *);
PETSC_EXTERN PetscErrorCode TSARKIMEXRegister(TSARKIMEXType, PetscInt, PetscInt, const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], PetscInt, const PetscReal[], const PetscReal[]);
PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(void);
PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void);
PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void);

```



## See Also
 `TSARKIMEXSetType()`, `TS`, `TSARKIMEX`, `TSARKIMEXRegister()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscts.h.html#TSARKIMEXType">include/petscts.h</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/include/petscts.h)


[Index of all TS routines](index.md)  
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