:orphan:
# KSPChebyshevKind
Which kind of Chebyshev polynomial to use 
## Synopsis
```
typedef enum {
  KSP_CHEBYSHEV_FIRST,
  KSP_CHEBYSHEV_FOURTH,
  KSP_CHEBYSHEV_OPT_FOURTH
} KSPChebyshevKind;
```

## Values

- ***`KSP_CHEBYSHEV_FIRST`      -*** "classic" first-kind Chebyshev polynomial
- ***`KSP_CHEBYSHEV_FOURTH`     -*** fourth-kind Chebyshev polynomial
- ***`KSP_CHEBYSHEV_OPT_FOURTH` -*** optimized fourth-kind Chebyshev polynomial





## See Also
 [](ch_ksp), `KSPCHEBYSHEV`, `KSPChebyshevSetKind()`, `KSPChebyshevGetKind()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscksp.h.html#KSPChebyshevKind">include/petscksp.h</A>


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[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)  
