Notazione matematica con LaTeX

lambda minuscolo $$$\lambda$$$ genera $$\lambda$$
lambda maiuscolo $$$\Lambda$$$ genera $$\Lambda$$

raccolta lettere greche speciali

epsilon $$$\varepsilon$$$ genera $$\varepsilon$$
phi $$$\varphi$$$ genera $$\varphi$$
pi $$$\varpi$$$ genera $$\varpi$$
rho $$$\varrho$$$ genera $$\varrho$$
sigma $$$\varsigma$$$ genera $$\sigma$$
theta $$$\vartheta$$$ genera $$\vartheta$$

limite $$$\lim_{x \to \infty }$$$ genera $$\lim_{x \to \infty }$$ 

• Sintassi: \left|...\right|

Es.: $$$\left|b-a\right|$$$ genera $$\left|b-a\right|$$

Es.: $$$\left|\begin{array}{cc}a&b\\c&d \end{array}\right|$$$ genera $$\left|\begin{array}{cc}a&b\\c&d \end{array}\right|$$