ghada ouerfelli

Hello, the problem in my model is how to convert the database  S1 and S2 of week zero into   S1[1,0].ub and S1[2,0].lb , the same for S2 , I sent the excel files by email  S1 and S2 are variables f...

hello by Initial stock I wanna say the S1 in my week zero , it is my initial stock , like this but i have a lot of products that is why I need an excel database  S1[1,0].lb=1S1[1,0].ub=1S1[2,0].lb=...

Thanks a lot for your support 

Sorry but I still have the same problem import gurobipy as gpfrom gurobipy import GRBm=gp.Model("Log")weeks = [0,1,2,3,4]products=[1,2]L=10k=2a=[[0,0,10,0,0],[0,20,0,0,0],]l=[[0,2,3,1,2], [...

 File "C:\Users\Ghada\PycharmProjects\Logistika Program\Logistika Program.py", line 55, in <genexpr>    m.addConstrs(S[p,weeks[weeks.index(t)-1]]+a[p][t] == l[p][t]+S[p][t] for p in products for t ...