LaTeX Chi (χ) - 完整指南

The Greek letter chi (χ) is used in statistics (chi-squared test), physics, and mathematics.

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χ

Chi

LaTeX Code

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Recommended
\chi

Standard chi symbol

LaTeX Chi 是什么?

Chi is the twenty-second letter of the Greek alphabet. It is most famous for appearing in the chi-squared (χ²) statistical test used in hypothesis testing. It also appears in various mathematical and physical contexts.

如何在 LaTeX 中使用 Chi

方法 1:使用 \chi

无需额外包

Standard chi symbol

示例:使用 \chi

latex
\documentclass{article}

\begin{document}

% Using the Chi
Text with \chi

\end{document}

常见用途

Chi 符号通常用于以下情况:

Chi-Squared Test

Used for chi-squared statistical test.

Code

Chi-squared statistic: $\chi^2 = \sum \frac{(O-E)^2}{E}$

Output

Chi-squared statistic: χ² = Σ(O-E)²/E

Magnetic Susceptibility

Used in physics for magnetic properties.

Code

Magnetization: $M = \chi H$

Output

Magnetization: M = χH

完整示例

Chi-Squared Distribution

Chi-squared distribution example

latex
\documentclass{article}
\begin{document}

The chi-squared test statistic follows a $\chi^2$ distribution with $k$ degrees of freedom.

\end{document}

常见问题

我应该使用哪种方法?

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:

  • \chi: Standard chi symbol

我在哪里使用这个符号?

该符号可以用于:

  • 在数学方程式中(数学模式)
  • 在常规文本中(如果使用文本模式)
  • 在各种文档环境中

我可以在显示模式中使用这个吗?

是的,在数学模式($ $)中工作的符号也适用于显示模式($$ $$)。这允许您在自己的行上显示符号,具有更大的格式。

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