From e6789ecef3182d14995040668e4aa00b91bd06a3 Mon Sep 17 00:00:00 2001 From: Claude Meny Date: Sat, 14 Mar 2020 18:01:48 +0100 Subject: [PATCH] Update textbook.fr.md --- .../02.electromagnetic-waves-vacuum-main/textbook.fr.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/02.electromagnetic-waves-vacuum/02.electromagnetic-waves-vacuum-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/02.electromagnetic-waves-vacuum/02.electromagnetic-waves-vacuum-main/textbook.fr.md index 4111a1661..50b43f3ad 100644 --- a/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/02.electromagnetic-waves-vacuum/02.electromagnetic-waves-vacuum-main/textbook.fr.md +++ b/01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/02.electromagnetic-waves-vacuum/02.electromagnetic-waves-vacuum-main/textbook.fr.md @@ -19,6 +19,11 @@ $`\overrightarrow{rot} \;\overrightarrow{B} = \mu_0\;\overrightarrow{j} + $`\Delta \overrightarrow{X} - \dfrac{1}{v_{\phi}} \; \dfrac{\partial^2 \;\overrightarrow{X}}{\partial\; t^2}=0`$ +L'expression de l'opérateur $`\Delta`$ en fonction des opérateurs $`grad`$, $`div`$ et $`rot`$ est : + +$`\Delta`$ = $`\overrightarrow{grad} \left(div\right) - \overrightarrow{rot}\, \left(\overrightarrow{rot}\right)`$ + + ### Propagation du champ électromagnétique $`\overrightarrow{rot}\,\overrightarrow{E}=-\dfrac{\partial \overrightarrow{B}}{\partial t}`$