Eleonora Pribadi

Thank you Jaromil, Yes, I think that the z could replace the flow. but I tried, and it doesn't work.  assign is binary 1,0. so it won't make the value become 0.  I think if the flow ==0, it will ma...

Thank you Jaromil,    the flow[warehouse,client]  it's a continuous number. I put this one in my code.  for warehouse in wl:      for client in cl:           flow[warehouse,client] = m.addVar(vtype...