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Re:Proposal: Linear Algebra Study Group by nhamann on Tuesday September 13, 2011 @09:39PM (#2994524)
Works for me on Chrome 14.

Testing: [;\frac{du}{dt};] [;\left[ \begin{array}{cc} 1 & 0 \\ 0 & 1 \end{array} \right];]

Re:Proposal: Linear Algebra Study Group by mkl on Tuesday September 13, 2011 @11:50PM (#2994809)
Now changed to use the MathJax default delimeters, as tzs explains.