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. |
\(\left \{\begin{array}{rcl} x+y&=&a \\ x-y&=&b \end{array} \right.\) |