# PetscQuadratureSetNumComponents
Return the number of components for functions to be integrated 
## Synopsis
```
#include "petscdt.h" 
PetscErrorCode PetscQuadratureSetNumComponents(PetscQuadrature q, PetscInt Nc)
```
Not collective


## Input Parameters

- ***q  -*** The PetscQuadrature object
- ***Nc -*** The number of components



## Note
We are performing an integral int f(x) . w(x) dx, where both f and w (the weight) have Nc components.




## See Also
 `PetscQuadrature`, `PetscQuadratureGetNumComponents()`, `PetscQuadratureGetData()`, `PetscQuadratureSetData()`

## Level
intermediate

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


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/dt/interface/dt.c)


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