Roos Vahrmeijer

Gurobi-versary
First Comment
First Question
  • Total activity 6
  • Last activity
  • Member since
  • Following 0 users
  • Followed by 0 users
  • Votes 0
  • Subscriptions 1

Activity overview

Latest activity by Roos Vahrmeijer

  • Roos Vahrmeijer commented,

    1. Community
    2. Modeling
    3. max and min constraints

    Output is as follows: Solved in 0.028 secs. OPTIMALObjective value: 24.075000000000003Used edges:0 1 10 4 21 6 12 5 13 7 24 3 25 7 16 2 1   Now delivery takes place before picking up

  • Roos Vahrmeijer commented,

    1. Community
    2. Modeling
    3. max and min constraints

    n= 3n2 = 3 P = [i for i in range (1, n+1)]D = [i for i in range (n+1,n+n2+1)]Ck = {1:6, 2:6}K = [i for i in range (1, len(Ck)+1)]N = P + Dqi = {0:0, 1:6, 2:3, 3:6, 4:-6, 5:-3, 6:-6, 7:0}di = {0:0, ...

  • Roos Vahrmeijer commented,

    1. Community
    2. Modeling
    3. max and min constraints

    Can share my full code with you   

  • Roos Vahrmeijer commented,

    1. Community
    2. Modeling
    3. max and min constraints

    Yes qi can be negative because by delivery the demand is negative and for pick up it is positive  

  • Roos Vahrmeijer created a post,

    max and min constraints

    Ongoing
    1. Community
    2. Modeling

    Hello! I'm trying to formulate the following constraint in python:  max{0,qi}<= Qik <= min{Ck, Ck + qi} I tried to do this with the following formulation:  m.addConstrs(Q[(i,k)] >= 0 for i in V for...

    • Roos Vahrmeijer
    • 2 followers
    • 6 comments
    • 0 votes