Latex-fix poisson equation using python
Fixes #
In the markdown-file there was an old TeX-environment 'eqalign' and the old command \cr, as well as dispensible $$-environments. All removed, replaced by align-environment.
Fixes #
In the markdown-file there was an old TeX-environment 'eqalign' and the old command \cr, as well as dispensible $$-environments. All removed, replaced by align-environment.