Multi-Dimensional Matrix Help

I'm not sure if this is the correct forum for this posting...so please feel free to redirect me...

I am trying to expand upon this example to create a matrix. I am a rails newbie and am really stuck.

I would really appreciate the help if anyone would take a look at my posting on the rails forum:
http://railsforum.com/viewtopic.php?id=29254

Natalie
