But does such a thing truly exist? And more importantly, is it legal, safe, and practical?
MathWorks does not offer a standard "portable" .exe for the full MATLAB suite. Instead, they provide these alternatives: matlab portable windows 7 64 bit
Technical challenges & limitations
A: Yes, you can use Matlab portable on multiple computers without having to install it on each machine. But does such a thing truly exist
While you cannot legally "portabilize" the entire MATLAB IDE (as it often violates the EULA is it legal