# PetscDualSpace
PETSc object that manages the dual space to a linear space, e.g. the space of evaluation functionals at the vertices of a triangle 
## Synopsis
```
typedef struct _p_PetscDualSpace *PetscDualSpace;
```



## See Also
 `PetscDualSpaceCreate()`, `PetscSpaceCreate()`, `PetscDualSpaceSetType()`, `PetscDualSpaceType`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscfetypes.h.html#PetscDualSpace">include/petscfetypes.h</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petsc/private/petscfeimpl.h.html#_p_PetscDualSpace">_p_PetscDualSpace in include/petsc/private/petscfeimpl.h</A><BR>


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