Feb 22, 2013

Download and install IBM Cplex solver (Academic version) for your AMPL


By default, AMPL uses MINOS as an optimization solver. However, Cplex which was developed by IBM is the most useful solver. The official website of IBM is not so friendly and they do not remove some web pages which are out of date.

To download Cplex, you have to register a academic membership at first.

1) Go to http://www-03.ibm.com/ibm/university/academic/pub/page/software and find the link "Join now - at no charge"(if the first time) or "Renew your membership"

2) Then, step 1: you will be asked to Register for a universal IBM ID and password (use your academic email address to do it). step 2: Complete the Academic Initiative program membership process (click "apply as a faculty member"). http://www-03.ibm.com/ibm/university/academic/pub/page/mem_join

3) After that, you will receive a confirmation email saying the application has been approved.

4) Visit the page http://www-03.ibm.com/ibm/university/academic/pub/page/sof_all_software, and click the link where is at bottom Search the Academic Initiative Software Download Catalog (This is pretty tricky)

5) After submitting your request, you will go to "IBM Academic Initiative Software Downloads" page.

6) Type "cplex" on "Find by search text" and you will see a list of cplex version choose one and you will see the software list.

7) Since the download needs java applet, you have to enable it for your browser.


8) After the download is finished, you will have a .bin file like "cplex_studio125.macos.bin"(here I download cplex12.5). DO NOT put it to your Application folder as it is not an application which can be run by your Mac.

9) Put it to some other directory. Open a terminal and find that directory. This bin file is a shell script, so you have to run it by bash. type and run this command 
"/bin/bash ~/your/path/cplex_studio125.macos.bin"

10) Follow the instruction and you will install it successfully.

11) Finally, do not forget configure the environment variable for the license: export  ILOG_LICENSE_FILE=/your/license/path/access.lim

12) The access.lim is generated from your IBM Academic Initiative.

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  13. Dear everyone,

    i am a student studying faculty of industrial engineering. i really want this software to help for my research. but i could not download it. because i don't have academic Email. i find another to download however i could not find the link to download from IBM

    Please help me..!
    sending that file to my dropbox" mak_taisy@yahoo.com" or google drive "taisymak@gmail.com"
    Thank your for your kindness..!
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    Taisy,

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