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Each nurse is off at least 2 weekends.
Based on constraint 1 discussed in "Problem description", each nurse should be off at least 2 weekends.
There exist 4 weekends in the planning horizon, and each nurse can work at most 2 weekends (constraint 1).
Since each nurse should be off for at least 2 weekends, it is assumed that each nurse chooses 2 weekends to be off as his/her major preferred by assigning preference 7 to those 2 weekends and another weekend as the next choice by assigning preference 3 to that one.
Thus, incorporating constraint set (10) ensures that each nurse is off at least 2 weekends during the planning horizon (Satisfying constraint 1).
Each nurse should be off at least 2 weekends (i.e., Sunday) during the planning horizon to fairly assign off weekends to the nurses.
Similar(48)
Further, some respondents did not divide their week into 5 weekdays and 2 weekend days.
Group tours €25 weekdays, €30 weekends.
Open 10am-1pm weekends; 10am-6pm toesday to Friday, HRK20 (£2.40).
Opening times 10am-6.30pm (Mon-Fri), 7.30pm (weekends), 8pm (school holidays).
Since January, only 8 weekends out of 25 were clear.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com