Re-posted from: http://juliadiffeq.org/2017/11/24/Jacobians.html
The DifferentialEquations.jl 3.0 release had most of the big features and was
featured in a separate blog post.
Now in this release we had a few big incremental developments. We expanded
the capabilities of our wrapped libraries and completed one of the most
requested features: passing Jacobians into the IDA and DASKR DAE solvers.
Let’s just get started there: