Search found 6 matches

by mamba
3 years ago
Forum: Syntax
Topic: Summation Limits
Replies: 6
Views: 3490

Re: Summation Limits

Hello Dear Atharv,
First of all, I would like to thank you for your reply.
I will try to reformulate this problem by following an existing formulation and modify for my problem.

Best Regards,
Semih
by mamba
3 years ago
Forum: Syntax
Topic: Summation Limits
Replies: 6
Views: 3490

Re: Summation Limits

Hello Again Dear Atharv, I am sorry for my questions maybe it can be very basic but again I need to ask you that can i use parameter values for the summation limits? Is it possible? and I reviewed my model after your message and think about on my model. I tried to explain my model briefly. In this u...
by mamba
3 years ago
Forum: Syntax
Topic: Summation Limits
Replies: 6
Views: 3490

Re: Summation Limits

Hello Dear Atharv, First of all, thank you for your reply I understand of what you mean. I just need to ask you a quick question. My equation is actually an objective function is that make any difference? or it is still not allowed in optimization. and again thank you for your answer. I will reconsi...
by mamba
3 years ago
Forum: Syntax
Topic: Summation Limits
Replies: 6
Views: 3490

Summation Limits

Hello, I was trying to implement my summation limits on my MIP model. but I have a problem. My summation limits came from variables such as the sum of two variable, lower limit "x(i,k-1) + y(i)" and upper limit "x(i,k) + y(i)" and I want to use it these limits on another set such...
by mamba
3 years ago
Forum: Modeling
Topic: Creating a Parameter from other Variables
Replies: 2
Views: 2188

Re: Creating a Parameter from other Variables

Hi Dear Atharv,
Thanks for the answer I understand very well you explained to me that in a very clear way and I appreciate that. Have a nice and healthy days.
Best Regards.
by mamba
3 years ago
Forum: Modeling
Topic: Creating a Parameter from other Variables
Replies: 2
Views: 2188

Creating a Parameter from other Variables

Hello, I have two different variables for example: i set of product let's say variables are production(i) and demand(i). Can I create a parameter Inventory(i) from the equation below, do I need to specify that as a parameter or variable, I don't know how to implement on Gams. Can you help me about w...