lp_solve | Mirror of lp_solve

 by   kerrickstaley C Version: Current License: No License

kandi X-RAY | lp_solve Summary

kandi X-RAY | lp_solve Summary

lp_solve is a C library. lp_solve has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

What is lp_solve and what is it not? The simple answer is, lp_solve is a Mixed Integer Linear Programming (MILP) solver. It is a free (see LGPL for the GNU lesser general public license) linear (integer) programming solver based on the revised simplex method and the Branch-and-bound method for the integers. It contains full source, examples and manuals. lp_solve solves pure linear, (mixed) integer/binary, semi-continuous and special ordered sets (SOS) models. See the reference guide for more information.
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            kandi-support Support

              lp_solve has a low active ecosystem.
              It has 16 star(s) with 9 fork(s). There are 1 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 1 open issues and 1 have been closed. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of lp_solve is current.

            kandi-Quality Quality

              lp_solve has 0 bugs and 0 code smells.

            kandi-Security Security

              lp_solve has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              lp_solve code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              lp_solve does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              lp_solve releases are not available. You will need to build from source code and install.
              Installation instructions, examples and code snippets are available.

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            lp_solve Key Features

            No Key Features are available at this moment for lp_solve.

            lp_solve Examples and Code Snippets

            No Code Snippets are available at this moment for lp_solve.

            Community Discussions

            QUESTION

            lpsolve - unfeasible solution, but I have example of 1
            Asked 2019-Jul-19 at 06:50

            I'm trying to solve this in LPSolve IDE:

            ...

            ANSWER

            Answered 2019-Jul-19 at 06:50

            How To Find The Solution

            Let's do some math.

            Your problem is:

            Source https://stackoverflow.com/questions/57091654

            QUESTION

            Minimize a linear programming system in C
            Asked 2019-May-20 at 17:35

            I need to minimize a huge linear programming system where all related data (objective function, constraints) are stored in the memory in arrays and structures but not in lp file format or CPLEX

            I saw that there are many solvers like here and here but the problem is how can I minimize the model without calling it from a file of a special format?

            I did the same work previously in R and Python by solving the model directly after producing it without the need to save it initially in a special file and then call it by the solver. Here is an example in Python:

            ...

            ANSWER

            Answered 2019-May-15 at 15:04

            One option is to use the APIs that commercial solvers like CPLEX and Gurobi provide for C/C++. Essentially, these APIs let you build the model in logical chunks (objective function, constraints, etc.). The APIs do the work of translating the logic of the model to the matrices and vectors that the solver actually needs in order to solve the model.

            Another approach is to use a modeling language like AMPL or GAMS. AMPL, for example, also provides a C/C++ API.

            Which one you choose probably depends on what solver you plan to use and how often you need to modify your model and/or data programmatically.

            Source https://stackoverflow.com/questions/56151149

            QUESTION

            How to install lpsolve for python 3.6?
            Asked 2018-May-29 at 20:48

            So I am creating a Docker container with python 3.6 runtime. I need a UX64 version of lp_solver (http://lpsolve.sourceforge.net/5.5/index.htm) for python. The one linked is python 2.7. I have found the following: https://github.com/chandu-atina/lp_solve_python_3x but it does not work either. Tried both approaches. I have really no idea how to get this lp_solver to work on Ubuntu Python 3.6. Is there something like the following: https://www.lfd.uci.edu/~gohlke/pythonlibs/#lp_solve but for Ubuntu?

            Also found this, which worked: https://anaconda.org/snorfalorpagus/lpsolve but I cannot import lpsolve. (here is the question linked for importing lpsolve: Conda installation of lpsolve)

            EDIT 1:

            Here are the steps that I take:

            ...

            ANSWER

            Answered 2018-May-29 at 20:48

            How I got lpsolve working with python 3.5.3 on raspbian:

            Install from repository

            Source https://stackoverflow.com/questions/48765299

            QUESTION

            lp_solve ignoring trivial restrictions
            Asked 2018-May-27 at 06:07

            I made a really simple linear problem for lp_solve.

            ...

            ANSWER

            Answered 2018-May-27 at 06:07

            Yes, when lp_solve does its preprocessing, it is eliminating your constraint altogether. Then the fact that X is binary kicks in and the Objective function is shown to be 100. (Incorrectly)

            You can see that this is happening by running with the -stats flag:

            Source https://stackoverflow.com/questions/50527817

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install lp_solve

            At this time, there are no Makefiles yet. However for the time being, there are batch files/scripts to build. For the Microsoft compiler under Windows, use cvc6.bat, for the gnu compiler under Windows, use cgcc.bat and for Unix/Linux, use the ccc shell script (sh ccc). See the reference guide for more information.

            Support

            See lp_solve55.chm for a Windows HTML help documentation file. The html files are also in lp_solve_5.5_doc.tar.gz. Start with index.htm Also see http://lpsolve.sourceforge.net/ for a on-line documentation.
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            gh repo clone kerrickstaley/lp_solve

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            git@github.com:kerrickstaley/lp_solve.git

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