Coopr 2.5(2.5.3890) has just been released ! Coopr is a collection of Python software packages that supports a diverse set of optimization capabilities for formulating and analyzing optimization models. The following are highlights of this release: - Solvers * MIP solver interface updates to use appropriate objective names * Added support for suffixes in GUROBI solver interface * Improved diagnostic analysis of PH solver for the extensive form - Usability enhancements * Improved robustness of coopr_install * Fixed Coopr installation problem when using easy_install * Added a script to launch the CooprAge GUI. * LP files now are written with the true objective name * Rework of pyomo command line to create a concise output * Many efficiency improvements during model generation! * Many improvements to diagnostic output and error handling * Expressions like "model.p > 1" can now be used within generation rules - Modeling *
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Showing posts from March, 2011