Higly Nonlinear and Not Explicit

Questions v5
1

Hi all,
I would like to know if it is possible to define a nonlinear and implicit equation in PyMC.
your help would be appreciated.

2

We have some example in PyMC v3: Advanced usage of Theano in PyMC3 — PyMC3 3.11.5 documentation

But likely we will need to update this example for it to work in v4.