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title: MathJax Plugin
date: 2018-01-01
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categories:
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- Plugins
- General
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tags:
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thumbnail: /gallery/math.jpg
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---
< math xmlns = "http://www.w3.org/1998/Math/MathML" display = "block" > < mrow > < mi > f< / mi > < mrow > < mo > (< / mo > < mi > a< / mi > < mo > )< / mo > < / mrow > < / mrow > < mo > =< / mo > < mrow > < mfrac > < mn > 1< / mn > < mrow > < mn > 2< / mn > < mi > π < / mi > < mi > i< / mi > < / mrow > < / mfrac > < msub > < mo > ∮ < / mo > < mrow > < mi > γ < / mi > < / mrow > < / msub > < mfrac > < mrow > < mi > f< / mi > < mo > (< / mo > < mi > z< / mi > < mo > )< / mo > < / mrow > < mrow > < mi > z< / mi > < mo > − < / mo > < mi > a< / mi > < / mrow > < / mfrac > < mi > d< / mi > < mi > z< / mi > < / mrow > < / math >
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### Configuration
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To enable MathJax support, just set `plugins.mathjax = true` in your theme `_config.yml` file.
```yml
# Plugins
plugins:
...
mathjax: true # options: true, false
```
<!-- more -->
For further MathJax configurations, please edit `<theme folder>/layout/plugin/scripts.ejs` :
```html
< % if (theme.plugins.mathjax) { %>
<!-- Edit here -->
< script type = "text/x-mathjax-config" >
MathJax.Hub.Config({ tex2jax: { inlineMath: [['$','$'], ['\\(','\\)']] } });
< / script >
< %- js('https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML') %>
< % } %>
```
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### TeX and LaTeX input
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> Please be noted that when you write Tex/LaTeX in Markdown files, you need to use escape characters to prevent certain signs from being processed by Markdown interpreter.
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##### Input
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```
When $a \ne 0$, there are two solutions to \\(ax^2 + bx + c = 0\\) and they are
$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$
```
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##### Result
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When $a \ne 0$, there are two solutions to \\(ax^2 + bx + c = 0\\) and they are
$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$
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### MathML input
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> Attention: please be noted that newline characters will be transformed to `<br>` tag by Markdown interpreter and this will interfere with MathML notation. Please write all MathML inline.
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##### Input
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```
When< math xmlns = "http://www.w3.org/1998/Math/MathML" > < mi > a< / mi > < mo > ≠ < / mo > < mn > 0< / mn > < / math > , there are two solutions to < math xmlns = "http://www.w3.org/1998/Math/MathML" > < mi > a< / mi > < msup > < mi > x< / mi > < mn > 2< / mn > < / msup > < mo > +< / mo > < mi > b< / mi > < mi > x< / mi > < mo > +< / mo > < mi > c< / mi > < mo > =< / mo > < mn > 0< / mn > < / math > and they are
< math xmlns = "http://www.w3.org/1998/Math/MathML" display = "block" > < mi > x< / mi > < mo > =< / mo > < mrow > < mfrac > < mrow > < mo > − < / mo > < mi > b< / mi > < mo > ± < / mo > < msqrt > < msup > < mi > b< / mi > < mn > 2< / mn > < / msup > < mo > − < / mo > < mn > 4< / mn > < mi > a< / mi > < mi > c< / mi > < / msqrt > < / mrow > < mrow > < mn > 2< / mn > < mi > a< / mi > < / mrow > < / mfrac > < / mrow > < mtext > .< / mtext > < / math >
```
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##### Result
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When< math xmlns = "http://www.w3.org/1998/Math/MathML" > < mi > a< / mi > < mo > ≠ < / mo > < mn > 0< / mn > < / math > , there are two solutions to < math xmlns = "http://www.w3.org/1998/Math/MathML" > < mi > a< / mi > < msup > < mi > x< / mi > < mn > 2< / mn > < / msup > < mo > +< / mo > < mi > b< / mi > < mi > x< / mi > < mo > +< / mo > < mi > c< / mi > < mo > =< / mo > < mn > 0< / mn > < / math > and they are
< math xmlns = "http://www.w3.org/1998/Math/MathML" display = "block" > < mi > x< / mi > < mo > =< / mo > < mrow > < mfrac > < mrow > < mo > − < / mo > < mi > b< / mi > < mo > ± < / mo > < msqrt > < msup > < mi > b< / mi > < mn > 2< / mn > < / msup > < mo > − < / mo > < mn > 4< / mn > < mi > a< / mi > < mi > c< / mi > < / msqrt > < / mrow > < mrow > < mn > 2< / mn > < mi > a< / mi > < / mrow > < / mfrac > < / mrow > < mtext > .< / mtext > < / math >
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### AsciiMath input
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> Attention: please be noted that when you write AsciiMath in Markdown files, you need to use escape characters to prevent certain signs from being processed by Markdown interpreter.
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##### Input
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```
When \`a != 0\`, there are two solutions to \`ax^2 + bx + c = 0\` and they are< p style = "text-align:center" > \`x = (-b +- sqrt(b^2-4ac))/(2a) .\`</ p >
```
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##### Result
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When \`a != 0\`, there are two solutions to \`ax^2 + bx + c = 0\` and they are< p style = "text-align:center" > \`x = (-b +- sqrt(b^2-4ac))/(2a) .\`</ p >
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