## MathJax You can enable MathJax by setting `mathjax: true` on a page or globally in the `_config.yml`. Some examples: [Euler's formula](https://en.wikipedia.org/wiki/Euler%27s_formula) relates the complex exponential function to the trigonometric functions. $$ e^{i\theta}=\cos(\theta)+i\sin(\theta) $$ The [Euler-Lagrange](https://en.wikipedia.org/wiki/Lagrangian_mechanics) differential equation is the fundamental equation of calculus of variations. $$ \frac{\mathrm{d}}{\mathrm{d}t} \left ( \frac{\partial L}{\partial \dot{q}} \right ) = \frac{\partial L}{\partial q} $$ The [Schrödinger equation](https://en.wikipedia.org/wiki/Schr%C3%B6dinger_equation) describes how the quantum state of a quantum system changes with time. $$ i\hbar\frac{\partial}{\partial t} \Psi(\mathbf{r},t) = \left [ \frac{-\hbar^2}{2\mu}\nabla^2 + V(\mathbf{r},t)\right ] \Psi(\mathbf{r},t) $$ ## Code Embed code by putting `{% highlight language %}` `{% endhighlight %}` blocks around it. ## Images Upload an image to the *assets* folder and embed it with `![title](/assets/name.jpg))`. Keep in mind that the path needs to be adjusted if Jekyll is run inside a subfolder. The `.large` wrapper can be used to increase the width of an image or iframe. ![Flower](https://user-images.githubusercontent.com/4943215/55412447-bcdb6c80-5567-11e9-8d12-b1e35fd5e50c.jpg) [Flower](https://unsplash.com/photos/iGrsa9rL11o) by Tj Holowaychuk