XIAO ROU YU

  • Gurobi-versary
  • First Comment
  • First Question
  • Total activity 7
  • Last activity
  • Member since
  • Following 0 users
  • Followed by 0 users
  • Votes 0
  • Subscriptions 2

Activity overview

Latest activity by XIAO ROU YU

  • XIAO ROU YU commented,

    Hi Riley, Thanks for answering. I tried to set the variables who may be negative to a negative lower bound, but still encountered an infeasible model. Therefore, I suspect there may be an error in ...

    View comment XIAO ROU YU 0 votes

  • XIAO ROU YU created a post,

    Constraint involves log

    Answered

    I want to use Gurobi solve a problem with log constraint The origin CVXPY code is: w = cp.Variable((n, 1))Z = cp.Variable((n, N)) for j in range(N):column_Zj=cp.reshape(Z[:, j], (-1, 1))log_expre...

    XIAO ROU YU Edited 2 followers 3 comments 0 votes

  • XIAO ROU YU commented,

    Hi David, Thanks a lot ! "When creating variables the default lower bound is 0." This is very helpful for me. But I still want to ask why there are nonzero gap?

    View comment XIAO ROU YU 0 votes

  • XIAO ROU YU commented,

    Hi David, I already use the latest version(v11.0.1) and setting the parameter model.Params.FuncNonlinear=1 But still got the same results...   I wonder if my origin code is wrong?   Here's my outp...

    View comment XIAO ROU YU Edited 0 votes

  • XIAO ROU YU created a post,

    Logarithmic Optimization Problem

    Answered

    I am very new in using Gurobi, and I encounter some problem when using "addGenConstrLog". I try to solve a complicated log-optimal problem, and I first tried a simple version where w is an unit si...

    XIAO ROU YU Edited 2 followers 5 comments 0 votes