Updating Fenics Vol 1 Demos

[cps]

Total newbie here: I’m working through the tutorial vol.1 demos and dealing with issues as they arise. The fix given above is incorrect; the correct one is given here:

Error in Linear Variational Solver

As this demo is created for python2.7, and especially dolfin 2016.2.0, I would use that version to run the tutorials. If you would like to use a later version of dolfin for the tutorials, you will have to convert the tutorial to python3 syntax. Most of the changes from python2.7 to 3 can be done automatically by using: 2to3 filename.py -w. However this demo (with the specific parameters) will not run with dolfin 2018.1.0. You should use the latest stable release: 2019.1.0 Note that is no…

RuntimeError: Parameter krylov_solver.absolute_tolerance not found in Parameters object

Also: the link to the Changelog is broken.