Yen-Chun Liu

First Comment
First Question
  • Total activity 10
  • Last activity
  • Member since
  • Following 0 users
  • Followed by 0 users
  • Votes 1
  • Subscriptions 3

Activity overview

Latest activity by Yen-Chun Liu
  • Yen-Chun Liu commented,

  • Yen-Chun Liu commented,

    ah! I fixed it by writing:It's much faster now! Thans for i in range(N-1):     for k in range(i+1, N):         g.addConstr(gu.quicksum((x[i,s,:] @ x[k,s,:].T) for s in range(q)) <= q*(1-C), name = ...

  • Yen-Chun Liu commented,

    Thank you for the reply. However I am confused - I have N(N-1)/2 1-dim constraint, each constraint resulting from the restriction of minimum distant between any (i,j), 1<=i<j<=N, pair of binary mat...

  • Yen-Chun Liu created a post,

    How to maximize the determinant of a N by N Matrix variable

    Answered

    Hi, Below are the notations of my problem: variable of interest: N*m*m binary array (B_1,...,B_N). Each B_i's is subjected to the constraint that row sum=1. the distance matrix of these N m*m a...

  • Yen-Chun Liu created a post,

    Speeding up Gurobi adding Constraint time

    Answered

    Hi, I am trying to find N mxm  binary matrices whose pairwise hamming distances are all greater than a given number C. However, it takes so long to add all the pairwise distance constraints (N*(N-1...

  • Yen-Chun Liu created a post,

    Running multiple slurm tasks

    Answered

    Hi, I am trying to run 50 gurobi tasks simultaneously on cluster. This is what my batch file looks like: #!/bin/bash#SBATCH --partition common   #SBATCH --mem=8G     # Memory limit for each tasks (...