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aziz amer
1/6/21
Multiprocessing - Thread
Hello everyone, I am using PULP for solving my MIP model and I am using a computer with a multi-core
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Multiprocessing - Thread
Hello everyone, I am using PULP for solving my MIP model and I am using a computer with a multi-core
1/6/21
franco.p...@gmail.com
9/21/20
Getting pulp into Github discussions- closing this google group
Hello everyone, We've recently decided to move the pulp discussions from this google group to the
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Getting pulp into Github discussions- closing this google group
Hello everyone, We've recently decided to move the pulp discussions from this google group to the
9/21/20
Ahmed Dassouki
9/20/20
Dynamic / scheduling problems using PuLP
Hi folks, I use PuLP quite extensively for my line of work. Mostly, I build grey infrastructure and
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Dynamic / scheduling problems using PuLP
Hi folks, I use PuLP quite extensively for my line of work. Mostly, I build grey infrastructure and
9/20/20
VTW
9/8/20
Dear admin: Code formatting in this google group?
Hi! I came across this page, claiming that it is possible to activate code formatting in a google
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Dear admin: Code formatting in this google group?
Hi! I came across this page, claiming that it is possible to activate code formatting in a google
9/8/20
Tao Wu
,
VTW
2
9/8/20
How to embed a lpSum in another lpSum
Hi!, It would help if you had shared the error message that you get. But looking at your code, my
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How to embed a lpSum in another lpSum
Hi!, It would help if you had shared the error message that you get. But looking at your code, my
9/8/20
Stuart Mitchell
9/2/20
Re: n variables, diffrents upBounds
objective = sum(x * parameters["margin"][x] for x in zip(x)) don't use zip X = [
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Re: n variables, diffrents upBounds
objective = sum(x * parameters["margin"][x] for x in zip(x)) don't use zip X = [
9/2/20
Mike Halbheer
,
Sean Grogan
8
8/27/20
Single source Multi commodity transportation problem
I have finally figured it out. Once I will have time I will document my solution and upload it here,
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Single source Multi commodity transportation problem
I have finally figured it out. Once I will have time I will document my solution and upload it here,
8/27/20
ashutosh....@gmail.com
, …
Sam Mathew
3
8/23/20
Issue with the Solution for a LP with Binary Variable
Additionally, it may be noted that PuLP is not the Binary LP solver, but the default solver within
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Issue with the Solution for a LP with Binary Variable
Additionally, it may be noted that PuLP is not the Binary LP solver, but the default solver within
8/23/20
Christophe-Marie Duquesne
, …
Tomasz Gorecki
20
8/18/20
Warm starting in pulp?
I will try that thanks. Tomasz Le mer. 12 août 2020 à 11:23, 'Stuart Mitchell' via pulp-or-
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Warm starting in pulp?
I will try that thanks. Tomasz Le mer. 12 août 2020 à 11:23, 'Stuart Mitchell' via pulp-or-
8/18/20
Nicolas Hx
8/15/20
Full stack vue.js + Flask Pulp
Hello everyone, I'm looking for collabs, concerning my full stack vue.js + Python Pulp I'm
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Full stack vue.js + Flask Pulp
Hello everyone, I'm looking for collabs, concerning my full stack vue.js + Python Pulp I'm
8/15/20
Franco Peschiera
8/11/20
Re: PuLP Installation Problem
Hello Nathan, Could you please provide the way you're installing PuLP in your python environment?
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Re: PuLP Installation Problem
Hello Nathan, Could you please provide the way you're installing PuLP in your python environment?
8/11/20
vishal Kashyap
,
Franco Peschiera
2
8/4/20
Maximization problem get stuck for hours
Hello! I think the best would be to share your pulp code in a minimal reproducible example: https://
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Maximization problem get stuck for hours
Hello! I think the best would be to share your pulp code in a minimal reproducible example: https://
8/4/20
Tim Klein
, …
Stuart Mitchell
6
6/29/20
MemoryError
Update: I did a sort of 'Hail Mary' and installed a new python version on my laptop - 3.8.3
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MemoryError
Update: I did a sort of 'Hail Mary' and installed a new python version on my laptop - 3.8.3
6/29/20
Tom van der Hoeven
, …
Daniela
13
6/26/20
elapsed time
Thanks a lot, that's great advice! Am Donnerstag, 25. Juni 2020 18:17:38 UTC+2 schrieb Franco
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elapsed time
Thanks a lot, that's great advice! Am Donnerstag, 25. Juni 2020 18:17:38 UTC+2 schrieb Franco
6/26/20
Daniela
6/26/20
problem solved twice
I am using Cplex to solve the Set Partitioning Problem from your documentation. https://coin-or.
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problem solved twice
I am using Cplex to solve the Set Partitioning Problem from your documentation. https://coin-or.
6/26/20
Mohammad Shoaib
6/21/20
Hierarchical facility location model
Hi I'm a beginner and have recently started using Pulp to solve a simple HFL problem. My solution
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Hierarchical facility location model
Hi I'm a beginner and have recently started using Pulp to solve a simple HFL problem. My solution
6/21/20
Chris Price
,
Stuart Mitchell
7
6/17/20
Pulp Python: How to formulate a time-based variable for shipping demurrage
Hi chris you need to be quite clear on what is a pulp variable and what is data. Without knowing this
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Pulp Python: How to formulate a time-based variable for shipping demurrage
Hi chris you need to be quite clear on what is a pulp variable and what is data. Without knowing this
6/17/20
Chris Price
, …
Franco Peschiera
9
6/15/20
RecursionError: maximum recursion depth exceeded in comparison
You're still missing variables ( plan_start_date , port_inventory_df , planning_horizon_max ). I
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RecursionError: maximum recursion depth exceeded in comparison
You're still missing variables ( plan_start_date , port_inventory_df , planning_horizon_max ). I
6/15/20
Romain Montagné
2
6/4/20
How to use Barrier algorithm with CBC
This works (hurray!) : prob.solve(pulp.PULP_CBC_CMD(options=["startalg", "barrier
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How to use Barrier algorithm with CBC
This works (hurray!) : prob.solve(pulp.PULP_CBC_CMD(options=["startalg", "barrier
6/4/20
Matt Huszagh
,
Stuart Mitchell
3
6/3/20
Non-integer discrete variables
Thank you! On Tuesday, June 2, 2020 at 3:26:22 PM UTC-7, Stuart Mitchell wrote: Hi you need to set up
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Non-integer discrete variables
Thank you! On Tuesday, June 2, 2020 at 3:26:22 PM UTC-7, Stuart Mitchell wrote: Hi you need to set up
6/3/20
Aleksandra Firkowska
, …
Miguel Quintero
5
6/2/20
PulpSolverError: Error while executing cbc.exe
Hi everyone, Aleksandra in overview means that the cbc. exe is not executing due to NaN values while
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PulpSolverError: Error while executing cbc.exe
Hi everyone, Aleksandra in overview means that the cbc. exe is not executing due to NaN values while
6/2/20
Alex Tian
,
Harshit Mahajan
2
6/1/20
Storage optimization problem: how to add new constraints to update LP variable limits based on new inputs
Hi Alex, I came across the same problem. Just wanted to check with you if you had made some progress
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Storage optimization problem: how to add new constraints to update LP variable limits based on new inputs
Hi Alex, I came across the same problem. Just wanted to check with you if you had made some progress
6/1/20
Romain Montagné
,
Franco Peschiera
4
5/31/20
Unknown status returned by CPLEX
Sure, will do ! Le dimanche 31 mai 2020 11:26:36 UTC+2, Franco Peschiera a écrit : It's quite
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Unknown status returned by CPLEX
Sure, will do ! Le dimanche 31 mai 2020 11:26:36 UTC+2, Franco Peschiera a écrit : It's quite
5/31/20
karel
, …
Franco Peschiera
10
5/22/20
returning gap between integer solution and best possible solution
Hello Juliano, I think pulp does not return by defualt the gap. In the other question of this
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returning gap between integer solution and best possible solution
Hello Juliano, I think pulp does not return by defualt the gap. In the other question of this
5/22/20
Chris Price
,
Stuart Mitchell
3
5/18/20
Create variable that prevents infeasible solutions
Many thanks for this Stuart, I am very grateful. Would you/anyone have a short code example of this
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Create variable that prevents infeasible solutions
Many thanks for this Stuart, I am very grateful. Would you/anyone have a short code example of this
5/18/20
juan pineros
, …
Franco Peschiera
6
5/15/20
Reuse model for heuristic algorithm
You can fix variables after a solve statement and the solve again. For example, something like this:
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Reuse model for heuristic algorithm
You can fix variables after a solve statement and the solve again. For example, something like this:
5/15/20
Camille Hamon
, …
Stuart Mitchell
5
5/13/20
Defining a nested dict of LP variables with different "depths" along one direction
Just a quick update that your solution works very well. Thanks again! Le dimanche 10 mai 2020 20:16:
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Defining a nested dict of LP variables with different "depths" along one direction
Just a quick update that your solution works very well. Thanks again! Le dimanche 10 mai 2020 20:16:
5/13/20
Camille Hamon
,
Stuart Mitchell
5
5/6/20
Increase solve time when using a dictionary of variables instead of several variables
Well if your solve takes that long. I would suspect that maybe the formulation has changed a little.
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Increase solve time when using a dictionary of variables instead of several variables
Well if your solve takes that long. I would suspect that maybe the formulation has changed a little.
5/6/20
Felipe
,
Franco Peschiera
3
5/6/20
Both shadow price and slack equal zero
Thank you Franco Felipe On Wed, May 6, 2020 at 6:55 AM Franco Peschiera <franco.peschiera@gmail.
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Both shadow price and slack equal zero
Thank you Franco Felipe On Wed, May 6, 2020 at 6:55 AM Franco Peschiera <franco.peschiera@gmail.
5/6/20
Bertie Wooster
, …
juan pineros
4
5/6/20
How can I save a problem?
Hi Supply chain cube. Do you have any examples of the code structure ? Because I dont know if after
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How can I save a problem?
Hi Supply chain cube. Do you have any examples of the code structure ? Because I dont know if after
5/6/20