:orphan: # TSROSW2P Two stage second order L-stable Rosenbrock-W scheme. Only an approximate Jacobian is needed. By default, it is only recomputed once per step. This method is a reflection of TSROSW2M. ## See Also [](ch_ts), `TSROSW` ## Level intermediate ## Location src/ts/impls/rosw/rosw.c --- [Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ts/impls/rosw/rosw.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)