Commit d73a426b authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent 808481ca
Pipeline #13533 canceled with stage
......@@ -22,7 +22,7 @@ Vérifions sont expression en coordonnées cartésiennes :
<br>
L'écriture générale de cette équation utilise l'opérateur lagrangien vecoriel et s'écrit :
<br>
$`\Delta\overrightarrow{U}-\dfrac{1}{\mathscr{v}^2}\dfrac{\partial U^2}{\partial t^2}`$
$`\Delta\overrightarrow{U}-\dfrac{1}{\mathscr{v}^2}\dfrac{\partial U^2}{\partial t^2}=0`$
......@@ -34,9 +34,10 @@ $`\color{blue}{\overrightarrow{rot}\,\overrightarrow{E}=
\end{array}\right)}`$
$`\overrightarrow{rot}\big(\ overrightarrow{rot}\,\overrightarrow{E}=
$`\overrightarrow{rot}\big(\color{blue}{\overrightarrow{rot}\,\overrightarrow{E}}`$
$`\quad =
\left[\begin{array}{l}
dfrac{\partial}{\partial y}\left(
\dfrac{\partial}{\partial y}\left(
\color{blue}{\dfrac{\partial E_y}{\partial x}-\dfrac{\partial E_x}{\partial y}}
\right)
-\dfrac{\partial}{\partial z}\left(
......@@ -57,7 +58,8 @@ dfrac{\partial}{\partial y}\left(
---ok
$`\color{blue}{\overrightarrow{rot}\,\overrightarrow{E}=
$`\overrightarrow{rot}\big(\overrightarrow{rot}\,\overrightarrow{E}\big)`$
$`\quad =
\left(\begin{array}{l}
\dfrac{\partial^2 E_y}{\partial y\,\partial x}
-\dfrac{\partial^2 E_x}{\partial y^2}
......@@ -71,5 +73,5 @@ $`\color{blue}{\overrightarrow{rot}\,\overrightarrow{E}=
-\dfrac{\partial^2 E_x}{\partial x^2}
-\dfrac{\partial^2 E_z}{\partial y^2}
+\dfrac{\partial^2 E_z}{\partial y\,\partial z} \\
\end{array}\right)}`$
\end{array}\right)`$
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