🛠️TeX

\overset{!}{=}                    % overset
\underbrace{...}_{\text{...}}     % underbrace

🔴 主題

• matrix

• decoration

• style

🛠 工具

• KaTeX playground

• codecogs ⟩ Equation Editor

• Mathcha

• Overleaf

📘 手冊

• KaTeX ⟩

  • TeX functions (sorted by type) ⭐️

  • TeX functions (sorted alphabetically)

📗 參考

• Dropbox Paper ⟩ 數學式 (LaTeX)

🗣 討論

• MathJax basic tutorial and quick reference

🏖️ 試玩

result	test
<- the equation ⁉️ showed up then disappeared shrinked to be invisible? GitBook doesn't support \newcommand in Math & TeX ❓	% test `\newcommand` \newcommand \x {\times} \newcommand \y {\colorbox{green}{1}} \left( \begin{array}{cccc} \x & \x & \x & \x \\ 0 & \x & \x & \x \\ 0 & 0 & \x & \x \\ 0 & 0 & 0 & \x \\ \y & \y & \y & \y \\ \end{array} \right)