:orphan:
# PetscDualSpaceType
String with the name of a PETSc dual space 
## Synopsis
```
typedef const char *PetscDualSpaceType;
#define PETSCDUALSPACELAGRANGE "lagrange"
#define PETSCDUALSPACESIMPLE   "simple"
#define PETSCDUALSPACEREFINED  "refined"
#define PETSCDUALSPACEBDM      "bdm"

```

## Values

- ***PETSCDUALSPACELAGRANGE  -*** a dual space of pointwise evaluation functionals
- ***PETSCDUALSPACESIMPLE -*** a dual space defined by functionals provided with `PetscDualSpaceSimpleSetFunctional()`
- ***PETSCDUALSPACEREFINED -*** the joint dual space defined by a group of cells, usually refined from one larger cell
- ***PETSCDUALSPACEBDM -*** a dual space for Brezzi-Douglas-Marini elements





## See Also
 `PetscDualSpaceSetType()`, `PetscDualSpace`, `PetscSpace`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscdualspace.h.html#PetscDualSpaceType">include/petscdualspace.h</A>


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


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