From 0530430e50681ee41b4183782c9dfc3d7ec1567a Mon Sep 17 00:00:00 2001 From: Claude Meny Date: Mon, 11 Nov 2019 19:12:39 +0100 Subject: [PATCH] Update textbook.en.md --- .../intercambio-curso-electromagnetismo/textbook.en.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/10.brainstorming-innovative-courses/intercambio-curso-electromagnetismo/textbook.en.md b/10.brainstorming-innovative-courses/intercambio-curso-electromagnetismo/textbook.en.md index 4f0081a99..e9809d2e0 100644 --- a/10.brainstorming-innovative-courses/intercambio-curso-electromagnetismo/textbook.en.md +++ b/10.brainstorming-innovative-courses/intercambio-curso-electromagnetismo/textbook.en.md @@ -235,8 +235,9 @@ in orthonormal Cartesian coordinate :
$`\Delta\;\overrightarrow{U} = \overrightarrow{e_x}\left(\dfrac{\partial^2\;U_x}{\partial x^2}+\dfrac{\partial^2\;U_x}{\partial y^2}+\dfrac{\partial^2\;U_x}{\partial z^2}\right) +\overrightarrow{e_y}\left(\dfrac{\partial^2\;U_y}{\partial x^2}+\dfrac{\partial^2\;U_y}{\partial y^2}+\dfrac{\partial^2\;U_y}{\partial z^2}\right) +\overrightarrow{e_z}\left(\dfrac{\partial^2\;U_z}{\partial x^2}+\dfrac{\partial^2\;U_z}{\partial y^2}+\dfrac{\partial^2\;U_z}{\partial z^2}\right)`$
-$`\Delta\;\overrightarrow{U} = \left \| - \begin{array}{r c l} + +$`\Delta\;\overrightarrow{U} = \left | + \begin{array} \dfrac{\partial^2\;U_x}{\partial x^2}+\dfrac{\partial^2\;U_x}{\partial y^2}+\dfrac{\partial^2\;U_x}{\partial z^2} \\ \dfrac{\partial^2\;U_y}{\partial x^2}+\dfrac{\partial^2\;U_y}{\partial y^2}+\dfrac{\partial^2\;U_y}{\partial z^2} \\ \dfrac{\partial^2\;U_z}{\partial x^2}+\dfrac{\partial^2\;U_z}{\partial y^2}+\dfrac{\partial^2\;U_z}{\partial z^2}