Andrew's help room hours: Mon 1:50-2:50pm, Tue 10-11am, Wed 4-5pm. You can find all updated help room schedules here.
Solutions to the final exam have been posted at the course coordinator's website.
If you'd like to learn a little more about the Singular Value Decomposition, consider looking at the article Dan Kalman wrote, which is you can find at datajobs.com. (The course coordinator found this article and gave me (Andrew) the copy he printed.)