Syed Saad Ali
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Activity overview
Latest activity by Syed Saad Ali-
Syed Saad Ali commented,
Hi Jaromil, Would it be fine if I just send it to you all the files as described in this link below due to confidentiality matters? https://support.gurobi.com/hc/en-us/articles/360030716132-How-do-...
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Syed Saad Ali commented,
Hi Jaromil, Many thanks for the responses. Please if you could help in understanding the reason why does it makes the values of all beta equal to zero. Kind regards, Saad
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Syed Saad Ali commented,
Hi! Somehow I have removed the errors and my program is working and optimizing but it is making one of my variable equal to zero for all values. (Screenshot is attached ) What could be the possible...
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Syed Saad Ali commented,
Hi Jaromil, I tried to formulate the first constraint like this: for t in T: \begin{equation} model.addGenConstPWL(y_t, r, [0, 50, 50, 100, 100, 150],[0, 0, 0.05, 0.05, 0.1, 0.1]) \end{equati...
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Syed Saad Ali commented,
Hi Jaromil, Yes, $p_t$ is a constant and it's working. But there is another term added to the objective function which contains another variable. So, in that case shall I state separate objective f...
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Syed Saad Ali commented,
Hi Jaromil, Many thanks for the answer. It surely helps a lot in understanding how to formulate the piecewise objective function but I still have one confusion. What does this $y$ value indicates a...
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Syed Saad Ali created a post,
Piecewise Objective function and Piecewise constraints
AnsweredMy objective function is: \[\begin{equation}\min \sum_{t=1}^T p_{t} \cdot (1+r) \cdot y_{t} \end{equation}\] where \(p\) is the price, \(y\) is the quantity (decision variable) and \(r\) is the pri...
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Syed Saad Ali commented,
Hi Matthias, Thanks for the answer. Could you please provide a clue as to how we could formulate piecewise objective function for this problem. I went through the examples mentioned but can't rel...
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Syed Saad Ali created a post,
Using the values of variable in the objective function before optimizing
AnsweredHi! I am facing a problem to multiply a term in objective function. My objective function is : \[\begin{equation}\min \sum_{t=1}^T p_{t} * (1+r) * y_{t} \end{equation}\] where \(p\) is the price, ...
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Syed Saad Ali commented,
Hi Jaromil, these $b$ and $d$ aren't known a priori and are in the form of a list.