Xianbang Chen

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Recent activity by Xianbang Chen Recent activity Votes
  • How to solve this MILP-based regression model faster?

    Answered

    Hello, I am trying to solve a MILP-based regression model as following. Basically, I am training the B that can lead to good w with minimal cost loss (the first term in the objective), through sol...

  • MIQP is solved faster but unstable! Any suggestions for this?

    Answered

    Hello, I am solving a MIQP problem on MATLAB with YALMIP. At first, it is solved slowly. Therefore, I take the suggestion from https://support.gurobi.com/hc/en-us/community/posts/360075509811-How-t...

  • How to solve MIQP faster?

    Answered

    I am solving a MIQP problem with GUROBI 9.1, but its solving time is lower than CPLEX and MOSEK:   GUROBI MOSEK CPLEX Optimal value 2.5059e+3 2.5101e+3 2.5101e+3 Solving tim...

  • How can I solve a large-size MILP problem?

    Hello everyone, I try to solve a large-size MILP problem as the figure shows: In terms of solving, I think it faces two main challenges: (1)  This is a NP-hard problem due to some w are binary. Bes...

  • Customize variable and constraint names of LP file (in MATLAB)

    Answered

    Hello everyone, I have a problem needing your help. I am modeling an MIP problem on MATLAB and YALMIP. I use the codes like  Decision_State_startup  = binvar(Number_gen,Number_horizon);Decision_Gen...