2023-08-31 04:21:31 +08:00
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---
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2024-12-31 00:34:20 +00:00
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title: "数学公式"
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2023-08-31 04:21:31 +08:00
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weight: 4
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math: true
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---
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2025-06-14 14:36:10 +01:00
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默认情况下,\(\KaTeX\) 用于渲染 LaTeX 数学表达式。
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无需手动激活,您可以直接在 Markdown 内容中开始使用 LaTeX 数学表达式。
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2023-08-31 04:21:31 +08:00
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2023-08-30 16:35:04 -04:00
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## 示例
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2023-08-31 04:21:31 +08:00
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2024-12-31 00:34:20 +00:00
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Markdown 内容中支持内联和独立段落的 LaTeX 数学表达式。
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2023-08-31 04:21:31 +08:00
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2024-12-31 00:34:20 +00:00
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### 内联
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```markdown {filename="page.md"}
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2025-03-30 19:05:35 +02:00
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这个 \(\sigma(z) = \frac{1}{1 + e^{-z}}\) 是内联的。
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2023-08-31 04:21:31 +08:00
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```
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2025-03-30 19:05:35 +02:00
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这个 \(\sigma(z) = \frac{1}{1 + e^{-z}}\) 是内联的。
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### 独立段落
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```markdown {filename="page.md"}
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$$F(\omega) = \int_{-\infty}^{\infty} f(t) e^{-j\omega t} \, dt$$
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```
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2024-12-31 00:34:20 +00:00
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将渲染为:
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2023-08-31 04:21:31 +08:00
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$$F(\omega) = \int_{-\infty}^{\infty} f(t) e^{-j\omega t} \, dt$$
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2024-12-31 00:34:20 +00:00
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例如,使用对齐环境:
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```latex {filename="page.md"}
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$$
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\begin{aligned}
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\nabla \cdot \mathbf{E} &= \frac{\rho}{\varepsilon_0} \\
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\nabla \cdot \mathbf{B} &= 0 \\
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\nabla \times \mathbf{E} &= -\frac{\partial \mathbf{B}}{\partial t} \\
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\nabla \times \mathbf{B} &= \mu_0 \left( \mathbf{J} + \varepsilon_0 \frac{\partial \mathbf{E}}{\partial t} \right)
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\end{aligned}
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$$
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```
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将渲染为:
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$$
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\begin{aligned}
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\nabla \cdot \mathbf{E} &= \frac{\rho}{\varepsilon_0} \\
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\nabla \cdot \mathbf{B} &= 0 \\
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\nabla \times \mathbf{E} &= -\frac{\partial \mathbf{B}}{\partial t} \\
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\nabla \times \mathbf{B} &= \mu_0 \left( \mathbf{J} + \varepsilon_0 \frac{\partial \mathbf{E}}{\partial t} \right)
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\end{aligned}
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$$
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2025-06-14 14:36:10 +01:00
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## 配置
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> [!IMPORTANT]
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> 请在 Hugo 配置文件中启用并配置 [passthrough 扩展](https://gohugo.io/content-management/mathematics/),以便 Hugo 可以检测 Markdown 内容中的 LaTeX 数学表达式。
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```yaml {filename="hugo.yaml"}
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markup:
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goldmark:
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extensions:
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passthrough:
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delimiters:
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block: [['\[', '\]'], ["$$", "$$"]]
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inline: [['\(', '\)']]
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enable: true
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```
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## 支持的函数
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2024-12-31 00:34:20 +00:00
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有关支持的函数列表,请参阅 [KaTeX 支持的函数](https://katex.org/docs/supported.html)。
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## 化学
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通过 [mhchem](https://mhchem.github.io/MathJax-mhchem/) 扩展支持化学表达式。
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2025-03-30 19:05:35 +02:00
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内联:\(\ce{H2O}\) 是水。
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2023-08-31 04:21:31 +08:00
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2023-08-30 16:35:04 -04:00
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独立段落:
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2023-08-31 04:21:31 +08:00
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```markdown {filename="page.md"}
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$$\ce{Hg^2+ ->[I-] HgI2 ->[I-] [Hg^{II}I4]^2-}$$
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```
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2025-06-14 14:36:10 +01:00
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将渲染为:
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2023-08-31 04:21:31 +08:00
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$$\ce{Hg^2+ ->[I-] HgI2 ->[I-] [Hg^{II}I4]^2-}$$
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2025-06-14 14:36:10 +01:00
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## 数学引擎
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### MathJax
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默认情况下,使用 [KaTeX][katex] 在构建过程中渲染 LaTeX 数学表达式,这是首选方式。
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或者,您可以使用 [MathJax][mathjax] 来渲染数学表达式。
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要使用 MathJax,请将以下内容添加到 `hugo.yaml` 配置文件中:
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```yaml {filename="hugo.yaml"}
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params:
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math:
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engine: mathjax
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```
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[katex]: https://katex.org/
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[mathjax]: https://www.mathjax.org/
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