# PFType
Type of PETSc mathematical function, a string name 
## Synopsis
```
typedef const char *PFType;
#define PFCONSTANT "constant"
#define PFMAT      "mat"
#define PFSTRING   "string"
#define PFQUICK    "quick"
#define PFIDENTITY "identity"
#define PFMATLAB   "matlab"

```



## See Also
 `PFSetType()`, `PF`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscpf.h.html#PFType">include/petscpf.h</A>


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


[Index of all PF routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)  
