I applied through a recruiter. The process took 1 week. I interviewed at MathWorks (Natick, MA) in Mar 2014
Interview
I had 4 interviews that took a total of 1 week. They pushed me through the process because I had a deadline on accepting a different offer.
Interview questions [1]
Question 1
They gave me a scenario with a given tree and asked me to determine whether I should traverse it with an in-order, pre-order or post-order traversal. I didn't answer the question because it was beyond my level of study, so I don't remember it that specifically.