Commit 7ff64ff6 authored by Claude Meny's avatar Claude Meny

Update textbook.fr.md

parent ad826bb7
......@@ -15,7 +15,11 @@ $`div \overrightarrow{B} = 0`$
$`\overrightarrow{rot} \;\overrightarrow{B} = \mu_0\;\overrightarrow{j} +
\mu_0 \epsilon_0 \;\dfrac{\partial \overrightarrow{j}}{\partial t}`$
### Propagation du champ électromagnétique dans le vide
### Rappel de l'équation d'onde d'un champ vectoriel
$`\Delta \overrightarrow{X} - \dfrac{1}{v_{\phi}} \; \dfrac{\partial^2 \;\overrightarrow{X}}{\partial\; t^2}=0`$
### Propagation du champ électromagnétique
$`\overrightarrow{rot}\,\overrightarrow{E}=-\dfrac{\partial \overrightarrow{B}}{\partial t}`$
......
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