LaTeX Defined as Equal (:=) - 完整指南
The defined as equal symbol (:=) indicates a definition.
Symbol Preview
:=
Defined as Equal
LaTeX Code
No package required
:=Defined as
No package required
\coloneqColon equals
目录
LaTeX Defined as Equal 是什么?
Used to denote that the left side is defined to equal the right side.
如何在 LaTeX 中使用 Defined as Equal
方法 1:使用 :=
✅无需额外包
Defined as
示例:使用 :=
latex
\documentclass{article}
\begin{document}
% Using the Defined as Equal
Text with :=
\end{document}方法 2:使用 \coloneq
✅无需额外包
Colon equals
示例:使用 \coloneq
latex
\documentclass{article}
\begin{document}
% Using the Defined as Equal
Text with \coloneq
\end{document}常见用途
Defined as Equal 符号通常用于以下情况:
Definition
Define a new quantity.
Code
$S := \{x : x > 0\}$Output
S := {x : x > 0}
完整示例
Definition Example
Using defined as operator
latex
\documentclass{article}
\begin{document}
Let $n := 2m + 1$ be odd.
\end{document}关于 Defined as Equal (:=) 的常见问题
通过哪种 LaTeX 代码使用 Defined as Equal?
对于 Defined as Equal 符号 (:=),我们建议使用上面标记为"推荐"的方法。但是,最佳方法取决于您的具体需求:
- :=: Defined as
- \coloneq: Colon equals
我在哪里可以使用 Defined as Equal 符号?
Defined as Equal 符号 (:=) 通常用于:
- 在数学方程式中(数学模式)
- 在常规文本中(如果支持)
- 在各种 LaTeX 环境中
我可以在显示模式中使用 Defined as Equal 符号吗?
是的,Defined as Equal 符号 (:=) 在显示模式($$ $$)下依然有效。这允许您将其独占一行显示,并具有更大的尺寸。
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