FAQ understanding Matching-System
If students rank other courses higher and on other courses are free capacity, the students will matched on his higher ranked course.
That's quite possible that some courses are not popular for the studetns. As an result on such courses you have some free capacity.
You can set the max. limit capacity of your course already. A limit for all courses are possibly problematical.
The students choose there prefences about courses. After the the voting-timeslot for studends the matching can start.
The Students choose there prefences about course.
After the the voting-timeslot for studenteds the voting-timeslot for course-organicer starts.
The course-organicer choose there prefernces for students.
After the voting-timeslot for course-organicer the maching can start.