Muhamad Fikri
beginner in optimization and math
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Latest activity by Muhamad Fikri
Muhamad Fikri commented,
Hi Maliheh, Thanks for your answer. I have some questions, especially regarding your comment. Let me highlight it first. "If you need an integral solution, you must formulate your problem as an i...

Muhamad Fikri created a post,
Iterative Approach change the optimal result
AnsweredHi, I hope my post is in the correct community section. I think this post is a continuation of my previous question [Here], where at that post I was wondering about the noninteger optimal solution...

Muhamad Fikri commented,
Hi Jaromil, Thank you for highlighting the result and reference from stack exchange! Best regards Muhamad

Muhamad Fikri commented,
Hi Jaromil, When I used one of these three values # cluster_size = np.array([62., 97.50, 95.50, 59.]) # cluster_size = np.array([117.5, 87.50, 119.]) cluster_size = np.array([187., 165....

Muhamad Fikri commented,
Hi Jaromil, Sure, here is the model that I develop import numpy as npimport gurobipy as gpfrom gurobipy import GRB# Define QP formulationdef qp_calculation(values, clstr_size): sensing_range = n...

Muhamad Fikri commented,
Hi Jaromil, Thank you for the explanation! Yes, I want to know the possibility of convex quadratic to get integer optimal solutions. In my case, the constraints are linear and hold a property of to...

Muhamad Fikri created a post,
Fractional Solution in Continuous Relaxation of Convex Quadratic Programming
AnsweredHi, I applied a convex quadratic function with linear constraints. The decision variable is set to continuous. In Gurobi method, I choose set model.Params.Method = 0 which I believe is primal simpl...

Muhamad Fikri commented,
Hi,Thank you for the explanation. What I mean is I just want to know, if, in the initial stage, I have 12 continuous and 36 integers (36 binary). Then, the second one the continuous variable still ...

Muhamad Fikri commented,
Hi, Thank you for your response. So, in my case, this information means that at the initial stage, I have 12 continuous and 36 integers (36 binary). Then, it is reduced to 0 continuous and 42 integ...

Muhamad Fikri created a post,
Optimize Information Insight
OngoingHi, I run my code to execute the NLP in an objective function (with linearization). When I checked the optimized information, I got this detail Optimize a model with 24 rows, 48 columns and 120 non...