Mathjax: how to deal with this strange behavior?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I am using the markdown editor and I have loaded Mathjax in all pages of my website. I have realized that this line of latex works well: $ ( u_1 ) $ However, this one does not work (basically latex does not work): $ ( u_1 , u_2 ) $ In order to make this work, I have to write something like this: $ ( u\_ 1 , u\_ 2 ) $ I have a similar problem here. This does not work: $$M = \left ( \begin { array }{ cc } a & b \\ c & d \\ \end { array } \right ) $$ But this works: $$M = \left ( \begin { array }{ cc } a & b \\\\ c & d \\\\ \end {