Ching Chang
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Recent activity by Ching Chang-
Python: Constraint coding problem.
Hi, I would like to know how to code the constraint below. #index i Task (i = 1, 2, …, I) k Artificial nodes(k = 1, 2, …, K) j,v Workstation (j = 1, 2, …, J；v=1, 2, …,V) u T...
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Python:How to create a constraint which includes a variable and a kind of index(two indices simultaneous)
AnsweredI would like to write the constraint code as the content of picture. #index J=['j1','j2','j3','j4','j5','j6','j7','j8','j9','j10','j11','j12','j13','j14','j15','j16','j17','j18','j19','j20', 'j21'...