• Total activity 36
• Last activity
• Member since
• Following 0 users
• Followed by 0 users
• Subscriptions 12

## Activity overview

• Rayan SAAD created a post,

### Constraint expression

Helloo, I have a probleme and i would like some help, i want to establish different constraint for my variable S[i,c,j,t] depending on j, So i defined different J like this : J1=range(6,11)J21=rang...

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...

• Rayan SAAD created a post,

### Modèle solved with a 0 Objective function

Ongoing

Hello, i have a problem and i would like some help, The résolution of mu model comes with a 0 objectife function like you can see, So i dont know how is it possible, and what does it mean  Thanks a...

• Rayan SAAD created a post,

### Constraint with for loop

Hello, I have a lillte probleme and would appreciate your help, I created a variable X[i,j] I want to add constraints on X dependently of i, for example if i equal to 2,3,4 i have a constraint  and...

• Rayan SAAD created a post,

### Minimum RAM needed

Hello, i have a problem and i would appreciate your Help, I've built a fairly heavy optimization model, tested it on simple problems and it works,But when I put in the real data (go from 5 products...

• Rayan SAAD created a post,

### TimeLimit

Awaiting user input

Hello,  i set a time limit of 5 minutes  for my modèle, but when the 3 minutes are over, i still dont have the solution, Thank you