OpenSolver 2.6.1 (15 Feb 2015)

We are pleased to announce the release of OpenSolver 2.6.1. This release contains numerous bugfixes, as well as some new features:

  • Bonmin, Couenne and Gurobi support options set in OpenSolver (e.g. time limit, tolerance)
  • Gurobi now supports extra parameters just as CBC does (see http://opensolver.org/using-opensolver/#gurobi-params)
  • Support for more formulae in the non-linear solvers. SUMIF is now supported.
  • We have updated the COIN-OR solvers included with OpenSolver to CBC 2.9.0, Bonmin 1.8.0 and Couenne 0.5.1
  • The issues with OS X Yosemite have hopefully been resolved

Please let us know how you find it. In particular we are always interested in feedback on the OS X version, which should be a lot more robust now.

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