Issues

• Variables and any Model holding them are never garbage-collected with the symengine backend

  opencobra/optlang#283 · Filter by author bdawsonrb opened on Sep 20, 2026

• No-Op solver

  opencobra/optlang#279 · Filter by author oxinabox opened on Mar 31, 2025
  3

• Access to value of constraint variable at the end of model.optimize?

  opencobra/optlang#254 · Filter by author janpeter19 opened on May 30, 2023
  1

• Attempting to import optlang.inspyred_interface causes error

  opencobra/optlang#250 · Filter by author DManowitz opened on Apr 17, 2023
  1

• IPOPT interface to OptLang

  enhancement
  opencobra/optlang#241 · Filter by author djinnome opened on Jun 9, 2022
  1

• New class LinearConstraintsMatrix for better model building performance

  enhancement
  opencobra/optlang#239 · Filter by author axelvonkamp opened on Nov 23, 2021
  4

• Enable Gurobi license parameters to be loaded through environment variables

  enhancement
  opencobra/optlang#237 · Filter by author jonrkarr opened on Sep 6, 2021
  1

• coinor_cbc interface gives incorrect solutions for MIP problems

  opencobra/optlang#236 · Filter by author cdiener opened on Apr 29, 2021

• Docs are not built

  opencobra/optlang#233 · Filter by author cdiener opened on Mar 23, 2021

• Quadratic constraints

  opencobra/optlang#216 · Filter by author Midnighter opened on Jul 21, 2020
  6

• Use long-step technique with GLPK to achieve 30-70% reduction in simplex iterations

  opencobra/optlang#186 · Filter by author phantomas1234 opened on Sep 5, 2018

• Refactor the test suite to use pytest in the best way possible

  opencobra/optlang#184 · Filter by author Midnighter opened on Aug 7, 2018
  

• Refactor optlang for version 2.0

  epicrefine
  opencobra/optlang#183 · Filter by author Midnighter opened on Aug 7, 2018 · COBRApy 1.0
  

• Refactor the GUROBI model class interface to work with the new design

  opencobra/optlang#182 · Filter by author Midnighter opened on Aug 7, 2018

• Refactor the CPLEX model class interface to work with the new design

  opencobra/optlang#181 · Filter by author Midnighter opened on Aug 7, 2018

• Refactor the GLPK model class interface to work with the new design

  opencobra/optlang#180 · Filter by author Midnighter opened on Aug 7, 2018

• Refactor configuration objects so that they work with the new classes

  opencobra/optlang#179 · Filter by author Midnighter opened on Aug 7, 2018 · COBRApy 1.0

• Refactor the way variables, constraints, and objectives are created and how they interact with model classes

  opencobra/optlang#176 · Filter by author Midnighter opened on Aug 7, 2018
  

• GAMS solvers

  opencobra/optlang#175 · Filter by author serdar- opened on Aug 6, 2018
  2

• Add support for Interior-Point method for GLPK

  opencobra/optlang#174 · Filter by author synchon opened on Aug 6, 2018
  3

• Potentially refactor the Container class and cobrapy DictList class into a separate package

  opencobra/optlang#173 · Filter by author Midnighter opened on Jul 29, 2018 · COBRApy 1.0

• Create an interface for the CPLEX decision cloud solution

  opencobra/optlang#172 · Filter by author Midnighter opened on Jul 29, 2018 · COBRApy 1.0

• symengine causes a linear constraint to be recognized as a quadratic one, causing an error

  opencobra/optlang#169 · Filter by author Midnighter opened on Jul 9, 2018 · COBRApy 1.0
  2

  

• Proper warnings and errors for overflow issues

  opencobra/optlang#168 · Filter by author KristianJensen opened on Jul 4, 2018

• Missing momentum2.mps.gz file

  opencobra/optlang#167 · Filter by author smoretti opened on Jun 21, 2018
  6