# latex in markdown

| category Bioinformatics  | tag LaTeX
Here is an in-line equation $\sqrt{3x-1}+(1+x)^2$ in the body of the text.


Here is an in-line equation $\sqrt{3x-1}+(1+x)^2$ in the body of the text.

Here is an equation: $\left [ - \frac{\hbar^2}{2 m} \frac{\partial^2}{\partial x^2} + V \right ] \Psi = i \hbar \frac{\partial}{\partial t} \Psi$


Here is an equation: $\left [ - \frac{\hbar^2}{2 m} \frac{\partial^2}{\partial x^2} + V \right ] \Psi = i \hbar \frac{\partial}{\partial t} \Psi$

## symbols

### 1. &

used as separators in alignment environments

a &lt; b


a < b

### 2. ^, _, { and }

^ used to indicate exponents;
^ used to indicate superscripts;
_ used to indicate subscripts;
{} braces, used for grouping;

x^i_2


$x^i_2$

{x^i}_2


${x^i}_2$

x^{i_2}


$x^{i_2}$

x^{i^2}


$x^{i^2}$

{x^i}^2


${x^i}^2$

^ax^b


$^ax^b$

\sum_{n=1}^\infty


$\sum_{n=1}^\infty$

### 3. Greek letter

\alpha, \beta, \chi, \Delta, \delta, \epsilon, \eta, \Gamma, \gamma, \iota, \kappa


$\alpha, \beta, \chi, \Delta, \delta, \epsilon, \eta, \Gamma, \gamma, \iota, \kappa$

\Lambda, \lambda, \mu, \omega, \Omega, \phi, \Phi, \pi, \Pi, \psi, \Psi


$\Lambda, \lambda, \mu, \omega, \Omega, \phi, \Phi, \pi, \Pi, \psi, \Psi$

\rho, \sigma, \Sigma, \tau, \theta, \Theta, \upsilon, \Upsilon, \varDelta, \varepsilon, \varGamma


$\rho, \sigma, \Sigma, \tau, \theta, \Theta, \upsilon, \Upsilon, \varDelta, \varepsilon, \varGamma$

\varLambda, \varOmega, \varphi, \varPhi, \varpi, \varPi, \xi, \zeta


$\varLambda, \varOmega, \varphi, \varPhi, \varpi, \varPi, \xi, \zeta$

### 4. \frac

\frac a b


$\frac a b$

\frac{a-1}b-1


$\frac{a-1}b-1$

\frac{a-1}{b-1}


$\frac{a-1}{b-1}$

github pages: delimiters \$$, \$$ and \$, \$ for inline and displayed math, respectively.
Rstudio: delimiters $,$ and $$,$$ for inline and displayed math, respectively.



Reference: TEX Commands available in MathJax