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# KSPMonitorErrorDrawLGCreate
Creates the context for the error and preconditioned residual plotter `KSPMonitorErrorDrawLG()` 
## Synopsis
```
#include "petscksp.h" 
PetscErrorCode KSPMonitorErrorDrawLGCreate(PetscViewer viewer, PetscViewerFormat format, void *ctx, PetscViewerAndFormat **vf)
```
Collective


## Input Parameters

- ***viewer -*** The `PetscViewer`
- ***format -*** The viewer format
- ***ctx    -*** An optional user context



## Output Parameter

- ***vf    -*** The viewer context





## See Also
 [](ch_ksp), `PETSCVIEWERDRAW`, `KSP`, `KSPMonitorSet()`, `KSPMonitorTrueResidual()`, `KSPMonitorErrorDrawLG()`, `KSPMonitorErrorDrawLG()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/interface/iterativ.c.html#KSPMonitorErrorDrawLGCreate">src/ksp/ksp/interface/iterativ.c</A>


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


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