# How can I post a matrix in PQ&A?

1 vote
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Recently I have been trying to post a matrix and I used what is shown at:

https://math.meta.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference

But the outcome is what you can see:

$$\begin{matrix} 1 & x & x^2 \\ 1 & y & y^2 \\ 1 & z & z^2 \\ \end{matrix} $$

Any solution?

Thank you

asked Aug 19, 2018 in Meta