CPLEX is cross-platform optimization tool solver a Python API. It is free for students and faculty members at accredited institutions.
To download CPLEX:
- Register for IBM OnTheHub
- Download the IBM ILOG CPLEX Optimization Studio from the software catalog
- Install CPLEX Optimization Studio.
- Setup the CPLEX Python API as described here.
If you have problems with CPLEX, please check the CPLEX user manual or the CPLEX forums.