Add Plugin : Mathjax-Latex
The default option is use “Use MathJax CDN Service”. But sometimes it cannot work because of some reasons. So you have to install the service on your own vps!
Install MathJax Service
wget https://github.com/mathjax/MathJax/archive/master.zip
unzip master.zip
mv MathJax-master /xxxxxx ……/wordpress/wp-content/plugins/mathjax-latex/
Check The MathJax Service is Okay
Custom MathJax location
“Settings”->”MathJax-LaTeX”->”Custom MathJax location”
/wp-content/plugins/mathjax-latex/MathJax/MathJax.js
Test It !
[latex]E=mc^2[/latex]
[latex]E=mc^2[/latex]
[latex]\left( {\begin{array}{*{20}{c}}
\end{array}} \right)[/latex]