Jingfeng Yang

  • Gurobi-versary
  • First Question
  • First Comment
  • Total activity 5
  • Last activity
  • Member since
  • Following 0 users
  • Followed by 0 users
  • Votes 0
  • Subscriptions 2

Activity overview

Latest activity by Jingfeng Yang

  • Jingfeng Yang created a post,

    Conditional (piecewise) constraints modeling in Gurobi

    Answered

    Hi All,  I have face to model a optimization problem with conditional (piecewise) constraints. My problem is stated as follows: Here, both y_1 and y_2 are decision variables, \theta_1 and \theta_2...

    Jingfeng Yang 4 followers 4 comments 0 votes

  • Jingfeng Yang commented,

    Hi Matthias,  Thanks for pointing the error. I have another question when I am modeling the optimization with Python. I have a Piecewise Function (nonlinear) in the model, for example, I would like...

    View comment Jingfeng Yang 0 votes

  • Jingfeng Yang created a post,

    Infeasible subset when using computeIIS()

    Answered

    I am solving an optimization model and I fixed some decision variables by constraints, however the model then becomes infeasible. The output of computeIIS() is show as follows: \ Model DAA optimiza...

    Jingfeng Yang 4 followers 4 comments 0 votes