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LaTeX

Syntax for LaTeX I often use for my writings.

Set of Equations

Source:

\begin{align}
a &= b \\
c + 1 &= d \\
\end{align}

Rendered:

\[\begin{align} a &= b \\ c + 1 &= d \\ \end{align}\]

Conditional

Keywords: if

Source:

\begin{equation}
  a_{ij}=\left\{
  \begin{array}{@{}ll@{}}
    0, & \text{if}\ i=j \\
    1, & \text{otherwise}
  \end{array}\right.
\end{equation}

Rendered:

\[\begin{equation} a_{ij}=\left\{ \begin{array}{@{}ll@{}} 0, & \text{if}\ i=j \\ 1, & \text{otherwise} \end{array}\right. \end{equation}\]

Symbols

Set theory

Name	Rendered	LaTeX
Exists	$\exists$	$\exists$
Union	$\cup$	$\cup$ or $\bigcup$
Intersection	$\cap$	$\cap$ or $\bigcap$

Calculus

Name	Rendered	LaTeX
Partial derivative	$\partial$	$\partial$
Vector	$\overrightarrow{v}$	$\overrightarrow{v}$