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AMPL

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New position in Software development / Customer support

#ampl   #jobs   #orms  
Position Available. Software development / Customer support. We are looking for an optimization expert to join us in software development and customer support at AMPL Optimization. Our product • Our company • Our position • Qualifications • To apply ...
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Strict inequalities in optimization problems

#ampl   #orms  
Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
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New release of open-source AMPL solvers and libraries

* Gecode 4.4.0
* Clp 1.16.4
* Cbc 2.9.3
* Ipopt 3.12.1
* Bonmin 1.8.1
* Couenne 0.5.3

See Release Notes for more details.

#ampl   #opensource   #orms   #coinor  
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We are pleased to announce the addition of LGO to the list of solvers that we sell directly. LGO is capable of determining high-quality solutions to global optimization problems that have (possibly many) locally optimal solutions. Because LGO makes only limited assumptions as to problem ...
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The NEOS Kestrel client that provides seamless access to remote NEOS solvers from your local copy of AMPL is now included in all the AMPL demo packages.

Free AMPL demo downloads:
http://ampl.com/try-ampl/download-a-demo-version/

Kestrel page at NEOS:
http://www.neos-server.org/neos/kestrel.html

#ampl   #neos   #operationsresearch  
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AMPL

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LocalSolver for AMPL has been updated to version 5.5.

LocalSolver 5.5 release announcement: http://www.localsolver.com/news.html?id=60

#ampl   #localsolver   #orms  
LocalSolver for AMPL. Based on a hybrid neighborhood search approach, LocalSolver combines diverse optimization techniques to provide high-quality solutions in short running times. LocalSolver is applicable to a broad range of objectives and constraints, both combinatorial and numerical.
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AMPL API 1.0 released

Release 1.0 of our Application Programming Interface, AMPL API, is now available for Java and MATLAB.  AMPL API provides an object-oriented callable library that lets you access AMPL models and run AMPL commands from external programs.  Data and results can be exchanged directly and efficiently between AMPL's model entities and the external language’s data structures. Uses include:

    -- Programming complex algorithmic schemes
    -- Embedding AMPL in enterprise applications
    -- Deployment of AMPL models

AMPL API is an add-on to that you can obtain by following our API download instructions.   

Any previously purchased AMPL installation can use AMPL API 1.0, provided that its maintenance & support service extends through 30 March 2015 or later.  (Start AMPL with "ampl -v" or use the command "option version;" within AMPL to see the maintenance status of your current AMPL software; please contact us at support@ampl.com if you need assistance or a quote for reinstatement of maintenance.)  AMPL API also works with any trial license, and with any temporary version of AMPL distributed under the AMPL for Courses program.

A C++ API for AMPL is nearing completion and will be available this spring.  Versions for R, Python, and .NET (VB and C#) are also planned.

#ampl   #api   #java   #matlab  
Our new Application Programming Interface, AMPL API, provides an object-oriented callable library that lets you access AMPL models and run AMPL commands from external programs. Data and results can be exchanged directly and efficiently between AMPL's model entities and the external language's ...
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Did you know that GitHub Flavored Markdown supports syntax highlighting of AMPL code?

#ampl   #github   #syntaxhighlighting  
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We are pleased to announce AMPL support for recent new releases of popular MIP solvers that we distribute:

   CPLEX for AMPL 12.6.1
   Gurobi for AMPL 6.0
   Xpress for AMPL 7.8 (27)

These new versions are now available through the solver links at our download site, www.ampl.com/dl/ampl-download.html.  If you do not see the links after logging into our download site, your maintenance & support service or trial license may have expired; please contact us at licensing@ampl.com for assistance.

#ampl   #cplex   #gurobi   #xpress  
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We are pleased to announce the release of version 6.0 of Gurobi for AMPL. Details of new features and enhancements can be found at

   www.gurobi.com/products/gurobi-optimizer/what's-new-in-v6.0

Log in at www.ampl.com/dl/ampl-download.html to download this version.  It will work with any license that is up-to-date on maintenance, or any trial license, and will also be included in future AMPL for Courses bundles.  If you'd like to compare it to the previous version on your problems, rename your old gurobi (Windows gurobi.exe) executable to gurobi56 (Windows gurobi56.exe) and then use "option solver gurobi56;" to select it; use "option solver gurobi;" to select the new version.

  #ampl   #gurobi   #orms  
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AMPL API version 0.2.2 (beta) is available.
It includes a number of bug fixes and performance improvements.

Release notes:
http://ampl.com/products/apibeta/ampl-api-0-2-2-release-notes/
Download page: http://ampl.com/products/apibeta/

#ampl   #api   #operationsresearch  
AMPL API Beta Test version now available. Version 0.2.2 Release Notes. Our new Application Programming Interface, AMPL API, provides an object-oriented callable library that lets you access AMPL models and run AMPL commands from external programs. Data and results can be exchanged directly and ...
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Have them in circles
47 people
Florian Bahr's profile photo
Andreas Cardeneo's profile photo
Jason Moore's profile photo
Allexandre Fortes S. Reis's profile photo
Julio López's profile photo
Víctor Mario Noble Ramos's profile photo
Sertalp Bilal Çay's profile photo
Craig McClellan's profile photo
Brian McKeon's profile photo
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773-336-AMPL
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Tagline
Streamlined Modeling for Real-World Optimization
Introduction
AMPL is the most powerful and natural tool for developing and deploying complex optimization problems that arise in diverse business & scientific applications.