Bernardo Palma
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Latest activity by Bernardo Palma-
Bernardo Palma created a post,
Constrains to a shift start
AnsweredHello! I have this code to assign shift to a set of nurses: from gurobipy import *numday = 15num_nurses = ["a","b","c","Telly","e"]multis = { "a":[1,3],"b":[1,3],"c":[3,6],"Telly":[3,4],"e":[2,...
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Bernardo Palma commented,
Hi Riley, This is exactly what i was looking for! You're right, it looks like shift balancing is not needed. Thanks a lot! Cheers! Bernardo
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Bernardo Palma commented,
Oh! I was thinking that we get back to the first approach because i dont see how the dictionary for multis enters with your redefinition. But lets get back to your way. If i follow you: if you hav...
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Bernardo Palma commented,
Hi Riley, Your logic for the spacing between shift is just what i want, but the RHS needed a fix: m.addConstrs( quicksum(x[i,k] for k in range(j-multis[i][0]-multis[i][1]+1, j+1)) <= multis[i][...
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Bernardo Palma commented,
Thanks! My objective function doesn't make sense with the actual constrains, but i have an additional constrains (nurses vacations and spaces between shifts) that makes me want maximize the days s...
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Bernardo Palma commented,
Hello Riley, thanks for your response. How can i build that variable definition? I am not sure, how to put "start a 3 shift sequence" in my var definition. And i want to ask you: if i decided to ...
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Bernardo Palma commented,
I forgot to add: all nurses have to work just in three days consecutive (our shift are by days). One day shift and 2 days shift nurses are treated separately
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Bernardo Palma created a post,
consecutive shifts constrains
AnsweredHi, i have a schedule problem in which i need to assign consecutive shift: if nurse "Telly" is assigned to day 3, she must work on "multis" consecutive days. 3,3+1,3+2,...,3+multis-1. I need to bu...