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# KSPMINRESSetRadius
Set the maximum solution norm allowed. 
## Synopsis
```
#include "petscksp.h" 
PetscErrorCode KSPMINRESSetRadius(KSP ksp, PetscReal radius)
```
Logically Collective


## Input Parameters

- ***ksp -*** the iterative context
- ***radius -*** the value





## Options Database Key

- ***-ksp_minres_radius <real> -*** maximum allowed solution norm



## See Also
 [](ch_ksp), `KSP`, `KSPMINRES`, `KSPMINRESSetUseQLP()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/impls/minres/minres.c.html#KSPMINRESSetRadius">src/ksp/ksp/impls/minres/minres.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/impls/minres/minres.c.html#KSPMINRESSetRadius_MINRES">KSPMINRESSetRadius_MINRES in src/ksp/ksp/impls/minres/minres.c</A><BR>


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