**petsc-3.12.4 2020-02-04**

# TSROSWRA34PW2

Four stage third order L-stable Rosenbrock-W scheme for PDAE of index 1. Only an approximate Jacobian is needed. By default, it is only recomputed once per step.
This is strongly A-stable with R(infty) = 0. The embedded method of order 2 is strongly A-stable with R(infty) = 0.48.

### References

**1. ** -Rang and Angermann, New Rosenbrock W methods of order 3 for partial differential algebraic equations of index 1, 2005.

### See Also

TSROSW

### Level

intermediate

### Location

src/ts/impls/rosw/rosw.c

Index of all TS routines

Table of Contents for all manual pages

Index of all manual pages