To resolve issues starting MATLAB on Mac OS X 10.10 (Yosemite) visit: http://www.mathworks.com/matlabcentral/answers/159016
I have purchase a student version of Matlab and I use the University's license at Uni. Can I install a further copy on my desktop at home as the laptop cannot run the vision Psychtoolbox?
Yes. There are limits on the number of devices you can install on simultaneously, and there are limits on the number of copies you can run simultaneously, but the Student Version license does allow at least two simultaneous copies running.
There are three possibilities: