YAOJIAN ZHOU
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Latest activity by YAOJIAN ZHOU-
YAOJIAN ZHOU created a post,
How to write chance constriant with python?
For example: P(x(i,j)>=y(i,j))>=80% Is there any possible that I can write the chance constriant like the example equation? Thank you.
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YAOJIAN ZHOU commented,
Hi Eli, Thank you for your kindly support for all the time! I think now my model is working by adjusting certain constraints that could avoid these confusing constriant conding. Now I am dong the...
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YAOJIAN ZHOU commented,
Hi Eli, Thank you for the reply ! I think the constriant you write make more sence to me ! And yes I am refering a paper which also used Gurobi: https://doi.org/10.1016/j.compag.2019.06.003 I can p...
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YAOJIAN ZHOU commented,
Hi Eli, Thank you for the reply! I am solving a storing MILP problem. n stand for room number, k for storing type, h for harvest time, t for time period. So there will be a hidden condition that h<...
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YAOJIAN ZHOU created a post,
How to correctly wirte a conditional constraint without having corrrepsonding indices FOR loop?
AnsweredHi, I have an constriant like: here is my python code: m.addConstrs(qloss[n,k] == gp.quicksum(inv[n,k,h,t]for h in H for t in T) for n in N for k in K for h in H for t in T if t - h == SHL[k] ...