Download cplex installer from IBM (must have java enabled in your browser):

http://www-03.ibm.com/ibm/university/academic/pub/jsps/assetredirector.jsp?asset_id=1070

- Click "Software Download Catalog" and log in (IBM Academic Initiative).

- Search for "cplex" and select
  "IBM ILOG CPLEX Optimization Studio V12.5
   Multiplatform Multilingual eAssembly".

- We recommend to use the 32-bit Linux version, so tick
  "IBM ILOG CPLEX Optimization Studio V12.5 for Linux x86-32 Multilingual"
  check the licence agreement and download.

- Run the binary DownloadDirector/cplex_studio125.linux-x86-64.bin
  to unpack the archive.

- Copy the binary "cplex" from the appropriate bin-directory to this directory.
