Hello all,
I have a set of Periods from which I create the subset OpenPeriods when the
facility is open.
param nPeriods;set Periods, default{1.. nPeriods};param FacilityOpen{p in
Periods}, binary;set OpenPeriods:= setof{p in Periods: FacilityOpen[p] = 1}
(p);
The facility is not open during all periods and I have a constraint that
considers the configuration of the facility the previous time it was open. So I
am trying to index the set of OpenPeriods from 1...card(OpenPeriods) rather
than with p but so far without any luck.
Any help would be much appreciated.
Thanks,
Joel
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