Having been a CprE, I didn't touch MATLAB, so I can't help, but I asked a EE friend of mine, he knew of a decent one, couldn't find it, but shot me this:
http://www.math.utah.edu/lab/ms/matlab/matlab.html
You can also type 'help' into the console, or 'help <command you don't understand>'.
Hope it works out for you.