Hello,
I am doing a research project on resource assignation and I am trying
to model it through AMPL but i have come upon a problem defining one
of my sets. I have the following sets described in AMPL:
set teachers;
set subjects;
set times; # Class times
set schedule within {t in teachers, s in subjects, t1 in times, t2 in times};
# This set is composed by all the
programmed classes
# during the academic period
And I would like to express a subset which contains back to back
classes (e.g. from 9 AM to 11 AM and then from 11 AM to 1 PM) taught
by a professor t. I would also like to be able to index this set by
professor. I have tried to express this set but I have had no luck.
Do any of you have an idea of how to do it?
Thanks in advance for all the help.
Best Regards.
Oswaldo Hernández.
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