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A Jekyll playground site

Getting LaTeX into a Jekyll site

Author: Admin
Title: Getting LaTeX into Jekyll
Language: en-US
Number of words: 40
Category: Jekyll
Created: 01:22 on Monday, 06. May 2024
Modified: 01:22 on Monday, 06. May 2024
Keywords: jekyll, liquid, latex, tex, markdown

A simple and easy way to allow LaTeX in a markdown document within a Jekyll website

Tags: Jekyll
Page layout: nonav
Last modified: , 40 Words
01:22 on Monday, 06. May 2024 | by Admin in Jekyll

This is just a quick reminder for myself how to render LaTeX in a markdown page using MathJax. First, embed the MathJax script somewhere in your page header. Using the CDN is the easiest solution, but it’s also possible to host MathJax locally. The MathJax docs explain how. I’ve wrapped this into a page variable so only pages with the variable latex in its frontmatter will include the script.

{% if page.latex != blank %}
  <script src="" type="text/javascript"></script>
{% endif %}

And then write the LaTeX formula. Note that in markdown, the standard delimiters like \[ and \( must be double-escaped with two backslashes.

Example showing a formula and some inline \( \LaTeX \)

Given the rest mass \( \color{green}{m_0} \), the relativistic mass is calculated as \( \color{green}{m_r} \)

\[\large{\color{white}{m_r = \frac{m_0}{\sqrt{1 - \frac{v^2}{c^2}}}}}\]

Where \( \color{green}{v} \) is the speed and \( \color{green}{c} \) is the speed of light.


MathJAX is an easy solution for getting \( \LaTeX \) typesetting into simple HTML documents and works well with a static Jekyll website where documents are written in the Markdown language.