KaTeX Math

Enable with latex: true in nextra(). Nextra handles remark-math and rehype-katex internally.

Inline Math

Use single $ delimiters: The quadratic formula is $x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$ .

Euler’s identity: $e^{i\pi} + 1 = 0$

Use double $$ for display math:

\int_{-\infty}^{\infty} e^{-x^2} dx = \sqrt{\pi}

\nabla \cdot \mathbf{E} = \frac{\rho}{\varepsilon_0}


$$
\int_{-\infty}^{\infty} e^{-x^2} dx = \sqrt{\pi}
$$
 
$$
\nabla \cdot \mathbf{E} = \frac{\rho}{\varepsilon_0}
$$

\mathbf{A} = \begin{pmatrix} a_{11} & a_{12} \\ a_{21} & a_{22} \end{pmatrix}


$$
\mathbf{A} = \begin{pmatrix} a_{11} & a_{12} \\ a_{21} & a_{22} \end{pmatrix}
$$

\begin{aligned} \dot{x} &= \sigma(y - x) \\ \dot{y} &= x(\rho - z) - y \\ \dot{z} &= xy - \beta z \end{aligned}


$$
\begin{aligned}
  \dot{x} &= \sigma(y - x) \\
  \dot{y} &= x(\rho - z) - y \\
  \dot{z} &= xy - \beta z
\end{aligned}
$$

Use a ```math ``` code fence as an alternative to $$:

f(x) = \frac{1}{\sigma\sqrt{2\pi}} e^{-\frac{(x-\mu)^2}{2\sigma^2}}

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