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lp_solve

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Peter Notebaert

Mar 22

lp_solve now on github

Hi all, This should have happened already a long time ago but lp_solve is now officially also on

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lp_solve now on github

Hi all, This should have happened already a long time ago but lp_solve is now officially also on

Mar 22

Mar 1

about adjacent vertices in LP

Given an LP, when variables have upper and lower bounds, it is possible for two vertices to have the

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about adjacent vertices in LP

Given an LP, when variables have upper and lower bounds, it is possible for two vertices to have the

Mar 1

Feb 16

Accuracy of convergence of the solution

Hello there! Can you please tell me which parameter in Lpsolve is responsible for the accuracy of

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Accuracy of convergence of the solution

Hello there! Can you please tell me which parameter in Lpsolve is responsible for the accuracy of

Feb 16

Feb 2

Issues with guess_basis

I'm having trouble to get guess_basis/set_basis to improve the solver performance, or in some

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Issues with guess_basis

I'm having trouble to get guess_basis/set_basis to improve the solver performance, or in some

Feb 2

Eduardo Ignacio Morales, Peter Notebaert3

11/3/24

I get too many errors about upper bound things

Hello! I dont know if i can submit links but in this one you can find our lp model: https://drive.

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I get too many errors about upper bound things

Hello! I dont know if i can submit links but in this one you can find our lp model: https://drive.

11/3/24

James Gunning, Peter Notebaert4

10/24/24

lp_solve -rxli xli_CPLEX

Hi Peter, All, I figured it may need another .so link. It looks like the fedora maintainers haven

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lp_solve -rxli xli_CPLEX

Hi Peter, All, I figured it may need another .so link. It looks like the fedora maintainers haven

10/24/24

Jakob Helbrink, Juan Pablo Avello2

9/12/24

Make lpsolve55.dll work on 64-bit Excel/VBA and windows

Still need this? El lunes, 20 de febrero de 2023 a las 5:57:32 UTC-3, helb...@gmail.com escribió: Hi,

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Make lpsolve55.dll work on 64-bit Excel/VBA and windows

Still need this? El lunes, 20 de febrero de 2023 a las 5:57:32 UTC-3, helb...@gmail.com escribió: Hi,

9/12/24

6/15/24

What is the best practice to construct and read LP solve matrix equations?

Hello to all. I Try to use Lpsolve from java via lpsolve Api. I read lp solve help and found an

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What is the best practice to construct and read LP solve matrix equations?

Hello to all. I Try to use Lpsolve from java via lpsolve Api. I read lp solve help and found an

6/15/24

Stan Pickens, Peter Notebaert2

4/4/24

Additional solutions for substitution

Sound right to me. P From: lp_s...@googlegroups.com <lp_s...@googlegroups.com> on behalf of

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Additional solutions for substitution

Sound right to me. P From: lp_s...@googlegroups.com <lp_s...@googlegroups.com> on behalf of

4/4/24

2/22/24

Compile lpsolve55.dll with DYNAMICBASE

Hi, we are receiving the following recommendation from Microsoft binskim: > error BA2009: '

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Compile lpsolve55.dll with DYNAMICBASE

Hi, we are receiving the following recommendation from Microsoft binskim: > error BA2009: '

2/22/24

J J, … Sanjay Banerji6

2/7/24

How to quick solve LP by LPSOLVE from JAVA

A wise choice in case you are good at Java, C# or C++. Python. Even perhaps C. However, not a

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How to quick solve LP by LPSOLVE from JAVA

A wise choice in case you are good at Java, C# or C++. Python. Even perhaps C. However, not a

2/7/24

Julieann Haveman

12/8/23

Deep Freeze V7.60.020.4298 Free License Key

Deep Freeze V7.60.020.4298 Free License KeyIf you are looking for a way to protect your computer from

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Deep Freeze V7.60.020.4298 Free License Key

Deep Freeze V7.60.020.4298 Free License KeyIf you are looking for a way to protect your computer from

12/8/23

Barbara Guenther, Sanjay Banerji2

12/4/23

The Archotek Project Download Bittorrent

What's going on? Request group moderator to block this spammer. Thanks. --- ------ Original

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The Archotek Project Download Bittorrent

What's going on? Request group moderator to block this spammer. Thanks. --- ------ Original

12/4/23

samuel casas dray, Peter Notebaert3

11/4/23

So, my next question is, I have a lot of bags and a lot of weight, and I'm trying to resolve the

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So, my next question is, I have a lot of bags and a lot of weight, and I'm trying to resolve the

11/4/23

Jorge Paván Personal

10/20/23

INSTALL lp_solve_5.5.2.11 IN ALMALINUX 8.8

I tried install lp_solve_5.5.2.11_exe_ux64.tar.gz for use it with xli_MathProg but: don't contain

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INSTALL lp_solve_5.5.2.11 IN ALMALINUX 8.8

I tried install lp_solve_5.5.2.11_exe_ux64.tar.gz for use it with xli_MathProg but: don't contain

10/20/23

10/19/23

Installing xli_mathprog in Linux

How can install xli_mathprog.so in Linux? Jorge Mario Paván +54 9 11 5327 9247 jorge...@gmail.com

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Installing xli_mathprog in Linux

How can install xli_mathprog.so in Linux? Jorge Mario Paván +54 9 11 5327 9247 jorge...@gmail.com

10/19/23

Ralf Moorbrink, Peter Notebaert2

9/27/23

wrong conversion from lp -> mps with "inexact" bound

Hello, No, this is correct. Since you don't use labels before your constraints, a <= 1 Is seen

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wrong conversion from lp -> mps with "inexact" bound

Hello, No, this is correct. Since you don't use labels before your constraints, a <= 1 Is seen

9/27/23

Neville Richards

8/27/23

New On-Screen Editor

I am making available a new Linear Progam Editor. It uses LPSolve to optimise problems, but also

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New On-Screen Editor

I am making available a new Linear Progam Editor. It uses LPSolve to optimise problems, but also

8/27/23

7/26/23

How to delete an effective coefficient via C API

Hello, here is my problem: I have an LP matrix 3x3 with 3 parameters and 3 constraints. I need to

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How to delete an effective coefficient via C API

Hello, here is my problem: I have an LP matrix 3x3 with 3 parameters and 3 constraints. I need to

7/26/23

7/13/23

How to get latest 5.5.2.11 executable for ubuntu Linux?

Latest sources are tagged w/ version 5.5.2.11 However, I can't find instruction on how to build

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How to get latest 5.5.2.11 executable for ubuntu Linux?

Latest sources are tagged w/ version 5.5.2.11 However, I can't find instruction on how to build

7/13/23

6/28/23

LP Solve IDE solves two models correctly but C# library returns wrong results?

Hello there. We have a model where when I try to run it via the LpSolve IDE the model runs just fine

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LP Solve IDE solves two models correctly but C# library returns wrong results?

Hello there. We have a model where when I try to run it via the LpSolve IDE the model runs just fine

6/28/23

Florian Weimer, Peter Notebaert2

6/27/23

C99 compatibility of the ccc build detection tool

There are alot more shell scripts with this issue. And not only should int be added to main but it

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C99 compatibility of the ccc build detection tool

There are alot more shell scripts with this issue. And not only should int be added to main but it

6/27/23

Iraklis D., Peter Notebaert3

6/26/23

No lpsolve return type for status code 25 (ACCURACYERROR)

Is there a plan to fix this? Or can we implement a patch and somehow commit / merge that to your repo

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No lpsolve return type for status code 25 (ACCURACYERROR)

Is there a plan to fix this? Or can we implement a patch and somehow commit / merge that to your repo

6/26/23

Iraklis D., Peter Notebaert2

6/26/23

is_presolve accepting different type than documentation stated?

I advise not to use presolve because it does not work very well. From: lp_s...@googlegroups.com <

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is_presolve accepting different type than documentation stated?

I advise not to use presolve because it does not work very well. From: lp_s...@googlegroups.com <

6/26/23

Peter Notebaert

6/5/23

Re: Change of a variable which is actually fixed

You will have to be more concrete because with your explanation we can't do much. What do you

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Re: Change of a variable which is actually fixed

You will have to be more concrete because with your explanation we can't do much. What do you

6/5/23

Sanjay Banerji, … Peter Notebaert4

5/20/23

Calling all Pythonistas & non-Pythonistas here

Have you also installed lpsolve55.dll and put it somewhere in the path? From: lp_solve@googlegroups.

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Calling all Pythonistas & non-Pythonistas here

Have you also installed lpsolve55.dll and put it somewhere in the path? From: lp_solve@googlegroups.

5/20/23

5/10/23

Python module for lpsolve - Windows 11 64 bit

Please let me know where I can download a Windows 11 based lpsolve python module I can use to set-up,

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Python module for lpsolve - Windows 11 64 bit

Please let me know where I can download a Windows 11 based lpsolve python module I can use to set-up,

5/10/23

4/11/23

Solution to issue when using x64 pack

I meet the issue when I plan to run my c++ code with Debug x64 on visual studio 2022 where I include

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Solution to issue when using x64 pack

I meet the issue when I plan to run my c++ code with Debug x64 on visual studio 2022 where I include

4/11/23

3/28/23

Is lpSolve deterministic?

Hello, I am using the lpSolve R package to calculate loan-to-value ratios, which is being calculated

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Is lpSolve deterministic?

Hello, I am using the lpSolve R package to calculate loan-to-value ratios, which is being calculated

3/28/23

Ralf Moorbrink, … Sparse Runner3

3/14/23

.mps convert + duration with Semi-continuous and binary variables

Interesting issue. My take on it is that the absent upper bound is illegal MPS, so lp_solve shouldn

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.mps convert + duration with Semi-continuous and binary variables

Interesting issue. My take on it is that the absent upper bound is illegal MPS, so lp_solve shouldn

3/14/23

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