# PCISSetSubdomainScalingFactor
Set scaling factor for `PCIS`. 
## Synopsis
```
#include "petscpc.h" 
PetscErrorCode PCISSetSubdomainScalingFactor(PC pc, PetscScalar scal)
```
Not collective


## Input Parameters

- ***pc -*** the preconditioning context
- ***scal -*** scaling factor for the subdomain





## Note
Intended for use with the jumping coefficients cases.


## Developer Note
There is no manual page for `PCIS` nor some of its methods


## See Also
 `PCIS`, `PCBDDC`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/is/pcis.c.html#PCISSetSubdomainScalingFactor">src/ksp/pc/impls/is/pcis.c</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex59.c.html">src/ksp/ksp/tutorials/ex59.c.html</A><BR>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/is/pcis.c.html#PCISSetSubdomainScalingFactor_IS">PCISSetSubdomainScalingFactor_IS in src/ksp/pc/impls/is/pcis.c</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ksp/pc/impls/is/pcis.c)


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