Ni Wang

Thank you very much @DillonJ @manuelma @Tasqu. I got the exact feedback I was looking for, indeed that was some legacy code and some misunderstanding of how they work. For...

Hi @mihlema, we investigated one problem that was left from the hackathon in Leuven. > - (fix) `unit_discounted_durantion` -> It doesn't work for the ones being invested (but it works...

List of new tests in data_structure/check_economic_structure.jl (mark checked if tests are passing) Already added - [x] "test discounted duration - using milestone years, w/o inv. blocks" - [x] "test discounted...

Constraint_unit_flow_capacity_w_ramps is not in use. Therefore, it is unnecessary to describe it in the current documentation and check how it can be activated. Maybe it is an idea to remove...

Constraint on minimum operating point and its test and documentation have been updated. The PR #742 is ready for review.

Issue #751 is about creating a tutorial on reserves

> Maybe we can use the [Iverson bracket](https://en.wikipedia.org/wiki/Iverson_bracket) to lift the conditions from the sumation subscript? They are really hard to read. Defining a new set is an option as...

@clizbe I think it is not addressed with the new ramp design (https://github.com/spine-tools/SpineOpt.jl/discussions/788). As far as I'm concerned, the formulation does not consider start-up trajectories, i.e., we assume `start_up_duration =...