Marco Sp
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Activity overview
Latest activity by Marco Sp-
Marco Sp commented,
Hi, thanks for your respone ! I already had a look into the Strong Formulations tech talk, but I cant change the formulations that much bc of the model formulation iteself. I am looking more for a...
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Marco Sp commented,
Yes I have already tried MIPFocus =1 but it havent changed much in runtime over long time. The shape of shape of the feasible region is the convex hull , right ? I put now the number of periods dow...
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Marco Sp commented,
Hi Jaromił, thank you very much for your response. I think the model should be feasible but I am not 100% sure. But when in the log is stated "solved with dual simplex" wasent the LP Relaxation su...
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Marco Sp created a post,
MILP takes too much time
Awaiting user inputHey, I am wondering what the reason might could for a long running time of my MILP. I have a quite similar MILP which runs quite fast but when slightly changing one condition it runs somehow for e...
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Marco Sp commented,
Hi Marika, thank you very much for your response. I am trying to modell heat devices. They should shift their power consumption to low price periods of the energy market. And when having energy de...
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Marco Sp commented,
I have a list of devices "j" and they have to supply energy in every period "i" depending on the energy demand for j in range(device_list): while (x2 <= 35040): # number of Periods (15 min step...
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Marco Sp commented,
Hi Marika, thanks for your fast response. Could you maybe give me an example how I do this in python for two dimensional variables ? I tried with one variable "energy_consumption" which is depende...
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Marco Sp created a post,
Rolling Horizon Approach
Hi, I am trying to implement a rolling horizon approach and wonder how I can set my solution j to my inital start value of j+1 ? So I have basically 5 different contionus and 5 binary variables. a...
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Marco Sp created a post,
MILP takes way too much time
AnsweredHi, I currently want to solve a MILP to model a heating system that is heating up a domestic hot water storage, every time when it falls to the lower bound. Unfortunatley it takes way too much time...