Rayan SAAD

I also tried you recommondation and it give me an objectif function that equals 1, i really dont understand 

Good Morning Chung-Kyun, I think i found where my probleme is : I defined thode constraint for my variable S[i,c,j,t]  thes sets are: I=49J=211T=3K=27E=7C=3J1=range(151,211)J21=range(48,49)J22=ran...

Hello Chung-Kyun, Thank you for your response,  I'll try to clarify my problem,My model is an allocation model for the quantity of products in différent locations ( storage location), so from one p...

Hello, the solution is wrong because thé constraint are not verified, And of course i can send you My code just give me where Also, the modele was ruuning correctly but When i added more constrain...

Hello Simrane, I want to express the same constraint, but this time i have 4 index for my 2 variables : h[i,c,j,t] and u[i,c,j,t] if for a given i and c : u[i,c,j,t]=1 then for all other i, and c :...

Thnak you !!  

Hello Jaromi, than you for your response, i wrote the constraint like this : for k in range(K): for t in range(t): model.addConstr(gp.quicksum(W[i,c,k,t] for i in range(I) for c in range(...

Thank youu !!

It perfectly worked ! Thanks a lot !!

it worked !! Tnahk you !