# TSAdaptSetScaleSolveFailed
Scale step size by this factor if solve fails 
## Synopsis
```
#include "petscts.h" 
PetscErrorCode TSAdaptSetScaleSolveFailed(TSAdapt adapt, PetscReal scale)
```
Logically collective


## Input Parameters

- ***adapt -*** adaptive controller context
- ***scale -*** scale



## Options Database Key

- ***-ts_adapt_scale_solve_failed <scale> -*** to set scale step by this factor if solve fails





## See Also
 [](chapter_ts), `TSAdapt`, `TSAdaptChoose()`, `TSAdaptGetScaleSolveFailed()`, `TSAdaptGetClip()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/adapt/interface/tsadapt.c.html#TSAdaptSetScaleSolveFailed">src/ts/adapt/interface/tsadapt.c</A>


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