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# TSRK3BS
Third order RK scheme of Bogacki-Shampine with 2nd order embedded method. This method has four stages with the First Same As Last (FSAL) property.


## Options Database Key

- ***-ts_rk_type 3bs -*** use type 3bs





## References

- **** -*** https://doi.org/10.1016/0893-9659(89)90079-7



## See Also
 [](ch_ts), `TSRK`, `TSRKType`, `TSRKSetType()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/explicit/rk/rk.c.html#TSRK3BS">src/ts/impls/explicit/rk/rk.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ts/impls/explicit/rk/rk.c)


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