Chaolong Chen

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Recent activity by Chaolong Chen Recent activity Votes

  • Solution time drastically increased when in a loop?

    Answered

    I have a MILP model, in base scenario it can be solved within 10 seconds, see log: Gurobi 10.0.1 (mac64[arm]) logging started Mon Sep 18 17:43:26 2023Set parameter LogFile to value "base_scenario/r...

    Chaolong Chen 2 followers 5 comments 0 votes

  • Constraint on decision variables in a multi period scenario

    Answered

    I have the following parameters: period = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]facility = ['f1', 'f2', 'f3', 'f4', 'f5'] I have declared a binary decision variable as follows: X_f = m.addVars(faci...

    Chaolong Chen Edited 2 followers 1 comment 0 votes

  • Converting equations into constraints

    Answered

    The model contains the following sets and variables: # setsu = ['u1', 'u2',...g = ['g1', 'g2',...i = ['i1', 'i2',...k = ['k1', 'k2',...l = ['l1', 'l2',...v = ['v1', 'v2',...# parametersR_k = {'k1':...

    Chaolong Chen Edited 2 followers 1 comment 0 votes