What is the difference between:
- A set of activities has a set of preferred starting times
- A set of activities has a set of preferred time slots
thanks
It is different only if activity has duration >=2.
For instance, if third period is forbidden. A1 has duration 2. Then, with preferred starting times, A1 can begin at 1 and 2, with time slots, A1 can begin at 1 only.
Time slots is more restrictive.
Also have a look here:
http://www.timetabling.de/manual/FET-manual.en.html#id_26
it is the first question i answered in that manual :-)
thnkx