We have multiple versions of MATLAB available on our systems. If you encounter this issue, try running MATLAB through our Open OnDemand service, or by starting an interactive session on a compute node. Due to the the limited amount of RAM available on the login nodes, it is probable that you will run into a hard-to-diagnose situations where your MATLAB GUI crashes every time you try to start the program. The MATLAB Graphical User Interface (GUI) depends on the Java Virtual Machine in order to start and is very memory-intensive. This will compile your MATLAB code to C code and avoid all license restrictions. However, if you want to use large number of MATLAB jobs simultaneously, use MATLAB Compiler as described below to create executables from your code. Non-interactive jobs submitted using the scripts shown in this page will check for available MATLAB licenses before running. To see how many licenses are available, you can run the following command from inside MATLAB: license('checkout','MATLAB')
Sometimes, all available licenses are in-use by other users and you must wait to checkout a license. We maintain a limited number of licenses for MATLAB use at the RCC. MATLAB is installed on all HPC compute and login nodes, and on all Spear nodes.
MATLAB also has parallel processing capabilities. It is designed for numerical computing, visualization and high-level programming and simulations. MATLAB is a powerful scripting language and computational environment.
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