Math LaTeX

2019/10/05 Math

LaTeX常用公式表

多行公式

\begin{aligned}
S_n &= n\times a_1 &q=1 \\
S_n &= a1\times \frac{1-q^n}{1-q} &q\not=1
\end{aligned}

求和、乘积

\begin{equation}
\sum_{i=1}^ni=\frac{n(n-1)}{2}
\end{equation}
\begin{equation}
\prod_{i=1}^n\frac{n+1}{n}=n+1
\end{equation}

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