Mémo \(\LaTeX\)

Comment afficher une formule \(\LaTeX\) dans une cellule Markdown d'un notebook Jupyter ?

Info

Les affichages sont obtenus en saisissant la syntaxe précisée entre deux symboles $ dans une cellule au format Markdown.

Symboles courants

syntaxe	affichage
\times	\(\times\)
\approx, \neq	\(\approx, \neq\)
\leqslant,\geqslant	\(\leqslant,\geqslant\)
\sqrt{x}	\(\sqrt{x}\)
\in, \notin	\(\in, \notin\)
\subset, \not \subset	\(\subset, \not \subset\)
\emptyset	\(\emptyset\)
\cap	\(\cap\)
\cup	\(\cup\)
\infty	\(\infty\)
\Bbb{N}, \Bbb{R}	\(\Bbb{N, R}\)
\alpha, \beta	\(\alpha, \beta\)
\pi	\(\pi\)
\sigma	\(\sigma\)
\perp	\(\perp\)
\dots, \cdots	\(\dots, \cdots\)

Indices, exposants

syntaxe	affichage
u_n	\(u_n\)
u_{n+1}	\(u_{n+1}\)
2^3	\(2^3\)
2^{n+1}	\(2^{n+1}\)
{2^3 }^4	\({2^3}^4\)
\sqrt[3]{8}	\(\sqrt[3]{8}\)

Fractions

syntaxe	affichage
\dfrac{a+1}{b+1}	\(\dfrac{a+1}{b+1}\)
\dfrac{\frac{a}{b}+1}{\frac{c}{d}+1}	\(\dfrac{\frac{a}{b}+1}{\frac{c}{d}+1}\)

Flèches

syntaxe	affichage
\Leftrightarrow	\(\Leftrightarrow\)
\leftrightarrows	\(\leftrightarrows\)
\Longleftrightarrow	\(\Longleftrightarrow\)
\iff	\(\iff\)
\Rightarrow	\(\Rightarrow\)
\rightarrow	\(\rightarrow\)
\to	\(\to\)
\Longrightarrow	\(\Longrightarrow\)
\implies	\(\implies\)
\Leftarrow	\(\Leftarrow\)
\leftarrow	\(\leftarrow\)
\mapsto	\(\mapsto\)
\longmapsto	\(\longmapsto\)
\uparrow, \downarrow	\(\uparrow, \downarrow\)
\nearrow,\searrow	\(\nearrow,\searrow\)

Vecteur, angle, etc.

syntaxe	affichage
\overrightarrow{AB}	\(\overrightarrow{AB}\)
\vec{u}	\(\vec{u}\)
(O,\vec{\imath},\vec{\jmath})	\((O, \vec{\imath},\vec{\jmath})\)
\widehat{ABC}	\(\widehat{ABC}\)
\hat{a}	\(\hat{a}\)
\overline{A}	\(\overline{A}\)

Coordonnées, matrice, coefficient binomial, etc.

syntaxe	affichage
\binom n k	\(\binom n k\)
\dbinom n k	\(\dbinom n k\)
\begin{pmatrix} a \\ b \end{pmatrix}	\(\begin{pmatrix} a \\ b \end{pmatrix}\)
\begin{matrix} a & b \\ c & d \end{matrix}	\(\begin{matrix} a & b \\ c & d \end{matrix}\)
\begin{bmatrix} a & b \\ c & d \end{bmatrix}	\(\begin{bmatrix} a & b \\ c & d \end{bmatrix}\)

Sommes, intégrales, limites

syntaxe	affichage
\sum _{k=1}^{n}k	\(\sum _{k=1}^{n}k\)
\int _{1}^{n}f(x) \mathrm{d} x	\(\int _{1}^{n}f(x)\,\mathrm{d}x\)
\lim_{n \to +\infty}x_n=\ell	\(\lim_{n \to +\infty}x_n=\ell\)
\lim\limits_{x \to -\infty} f(x)	\(\lim\limits_{x \to -\infty} f(x)\)
\lim\limits_{\substack{x \to 0 \ x<0}} \dfrac{1}{x}	\(\lim\limits_{\substack{x \to 0 \\ x<0}} \dfrac{1}{x}\)

En mode display, ($$ formule $$), \sum _{k=1}^{n}k s'affiche :

\[ \sum _{k=1}^{n}k\]

et \int _{1}^{n}f(x)\,\mathrm{d}x s'affiche :

\[ \int _{1}^{n}f(x)\,\mathrm{d}x\]

Délimiteurs

syntaxe	affichage
\cos\left(\dfrac{\pi}{6}\right)	\(\cos\left(\dfrac{\pi}{6}\right)\)
\left\vert x-3 \right \vert	\(\left\vert x-3 \right \vert\)
\left \| u-v \right \|	\(\left\| u-v \right \|\)
\left( \dfrac{1}{2} +2(x + 1) \right)	\(\left( \dfrac{1}{2} +2(x + 1) \right)\)
\left {\begin{array}{rcl} x + y & = & a \\ x - y & = & b \end{array} \right.	\(\left \{\begin{array}{rcl} x+y&=&a \\ x-y&=&b \end{array} \right.\)