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M3P2
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fc8db234
Commit
fc8db234
authored
Aug 24, 2022
by
Claude Meny
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Update cheatshhet.fr.md
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cheatshhet.fr.md
...ive-vector-fields-properties/20.overview/cheatshhet.fr.md
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12.temporary_ins/08.conservative-vector-fields/20.conservative-vector-fields-properties/20.overview/cheatshhet.fr.md
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fc8db234
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@@ -35,10 +35,10 @@ lessons:
### Définitions et propriétés<br>**Gradient**<br>**Champs vectoriels conservatifs**
GRADIENT D'UN CHAMP SCALAIRE
<br>
GRADIENT D'UN CHAMP SCALAIRE
: ---
*Définition du
vecteur
gradient*
:
*Définition du gradient*
:
Soit $
`V`
$ un champ scalaire.
En un point quelconque de l'espace, un déplacement élémentaire $
`\overrightarrow{dl}`
$ induit
...
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@@ -48,6 +48,18 @@ GRADIENT D'UN CHAMP SCALAIRE<br>
$
`\mathbf{dV=\overrightarrow{grad}\,V\cdot\overrightarrow{dl}}`
$
*Champ de gradient d'un champ scalaire*
:
L'ensemble des vecteurs gradients en tout point de l'espace est un champ vectoriel, appelé champ de gradient
*Opérateur gradient*
L'opérateur $
`\overrightarrow{grad}`
$, appliqué à un champ scalaire $
`V`
$ et en un point de l'espace, donne
le vecteur $
`\overrightarrow{grad}\,V`
$
---
*Propriétés du gradient*
...
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@@ -70,7 +82,7 @@ GRADIENT D'UN CHAMP SCALAIRE<br>
CHAMP
s VECTORIELs CONSERVATIFs
<br>
CHAMP
VECTORIEL CONSERVATIF
: ---
...
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