petsc-3.13.6 2020-09-29

TSROSW4L

four stage, fourth order Rosenbrock (not W) method By default, the Jacobian is only recomputed once per step.

A-stable and L-stable

This method does not provide a dense output formula.

1. -Hairer and Wanner, Solving Ordinary Differential Equations II, Section 4 Table 7.2.

Hairer's code ros4.f

intermediate