I was trying to answer this question, and it seems that the asker can't view mathjax. I have no idea how to troubleshoot this kind of issue, so some help here would be much appreciated.
Any ideas as to what exactly is going wrong?
EDIT: I was able to come up with a workaround for the particular question, but for future-reference, I'd like to know what went wrong if possible
array
environment (since it is representing an array). – robjohn♦ Aug 21 '13 at 14:49