###### tags: `Tools`
# Markdown with Latex Note

## Symbols
- https://artofproblemsolving.com/wiki/index.php/LaTeX:Symbols
- This is a good reference video that using Latex-style : https://www.youtube.com/watch?v=LKs8xV2n17A
### limit
$$
\lim_{n \to -\infty} a_n = x
$$

### forall & exists
$$
\forall \epsilon \in \mathbb{R}, \exists N \in X
$$

### partial
$$
\partial L/\partial W_n \in [-M, M ]
$$

### proportion
$$A \propto B$$
- 𝐴∝𝐵 means that 𝐴 is directly proportional to 𝐵. This means that 𝐴=𝑘𝐵 for some constant 𝑘.
### Align latex
\begin{align}
b_1 &= \beta_1 \\
c_1 &= \beta_2 \\
d_1 &= \beta_3
\end{align}

### Markdown to PDF with late
- First, install `Markdown PDF` extension in your vscode.
- Then, add following script in the md.file you want to convert to pdf.

    <script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
    <script type="text/x-mathjax-config">MathJax.Hub.Config({ tex2jax: {inlineMath: [['$', '$']]}, messageStyle: "none" });</script>

### Symbol Meaning