Abde
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Latest activity by Abde
Abde commented,
Dear Ms. Maliheh, Thank you so much for your kind reply, I really appreciate your help. Best Regards,

Abde created a post,
Retrieve an existing solution of decision variables and and assing it to another one
AnsweredI am working on an optimization problem with lagrange algorithm, I have two problems in the algorithm, so I would like to fix the solution obtained from the first problem let's say S1[s,t] to the s...

Abde created a post,
getting decision varaibles from current solution to update Lagrange multipliers using subgradient method
Awaiting user inputHello, I have applied correctly the Lagrange algorithm on a toy example given by (Fisher 1985), and solved it by Gurobipy, however, when I tried to apply it to a bigger problem,I did not get...

Abde commented,
Thank you so much, I really appreciate your guidance, I will look at it, to understand more how it is done.

Abde commented,
Hello Ms. Maliheh, Thank you so much for your feedback, it is really helpful. I have just noticed that a mistake has been made on your shared code; which I think should be like the following; (plea...

Abde commented,
Thank you so much for your feedback, so I always have to tune the upper and lower bounds when working with exponential and logarithm, the problem is if I don't know what the results should be like,...

Abde created a post,
hyperbolic sine of the elements of X
AnsweredHi, Does Gurobi Python, has sinh(x), which stands for hyperbolic sine of the elements of X. I utilized Model.addGenConstrSin, but when I searched on the internet I found that this attribute is diff...

Abde commented,
Please find below another attempt that seems promising, but I did get the target results; I got obj= 4.78 #calculating the size of the uncertainty set under the assumption that the uncertainty ...

Abde commented,
Hello Marika, thank you for your feedback, and sorry if I am missing some point to highlight, I got three different outcomes, with some debugging, infeasible, zero, and 1.37*10^1, the result for ...

Abde commented,
For instance, I wrote it in the beginning like that; m.addGenConstrExp(theta,x)m.addGenConstrExp(theta,y) and it gave me the following error; TypeError: 1.0 <gurobi.Var *Awaiting Model Update*> ...