How to program this using OR-TOOLS

[Kolichala Rajashekar]

Hello everyone, Hope all doing great

I am trying to solve minimax optimization problem (PFA). and i cannot do it using OR-Tools or i might be missing some thing. Help in this regard is much appreciated.

[vishal Pandey]

Hi Rajshekher,

what is the problem u have encountered?its just an problem formulation you have shared.

-vishal

On Wed, Oct 13, 2021 at 9:47 AM Kolichala Rajashekar <kolic...@iitbhilai.ac.in> wrote:

Hello everyone, Hope all doing great

I am trying to solve minimax optimization problem (PFA). and i cannot do it using OR-Tools or i might be missing some thing. Help in this regard is much appreciated.

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[Kolichala Rajashekar]

HI, how can i describe the objective accroding the problem formulation , all the examples are  showing summation only

[vishal Pandey]

check this out,

from ortools.sat.python import cp_model

model = cp_model.CpModel()

obj_var = model.NewIntVar(lower_bound, Upper_Bound, 'makespan')

#makespan objective.

model.Minimize(obj_var)  

this should help,for further details ,google 'constraint-programming using google or-tools'

-vishal

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