A limited number of MATLAB licenses are available on NAS-supported workstations and supercomputing systems. To check current MATLAB license usage, run the check_licenses command as follows:

/u/scicon/tools/bin/check_licenses -m 
(view general licenses only)

/u/scicon/tools/bin/check_licenses -M 
(view general licenses and compiler/toolboxes)

Important Usage Information

Please note the following information when you use a NAS MATLAB license:

• When the MATLAB compiler/toolbox is run from the GUI, the license is held by the user until the GUI is closed.
• When the MATLAB command-line tools (such as the compiler) are used, the license is held by the user for 30 minutes after the last use. Using the tool again restarts the timer.
• If multiple MATLAB licenses are checked out by a single user, the newest MATLAB process will be terminated.  
• The single-license limit only applies to the primary MATLAB license. Licenses such as the compiler or toolboxes do not count toward the limit.

See the MATLAB License Policy for more information.

Alternatives to Using NAS MATLAB Licenses

Alternatives to using MATLAB licenses include:

• Compile non-interactive MATLAB jobs so they do not require a license. See Compiling MATLAB Scripts into Executables to Reduce the Use of Licenses.
• If you have access to a local MATLAB license that you are entitled to use remotely, you can utilize it by running applications on NAS systems with your local license.
• Use GNU Octave, an open source alternative to MATLAB. GNU Octave is available on NAS systems. To access it, run the following commands:

  module avail octave
  
  ----------- /nasa/modulefiles/pkgsrc/toss4 -----------
  octave/6.4   octave/8.3
  
  module load octave/8.3
  octave