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From: Python <python@invalid.org>
Newsgroups: fr.sci.physique
Subject: Re: [SR] Les deux soeurs du Langevin.
Date: Mon, 25 Sep 2023 17:58:10 +0200
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Le 25/09/2023 à 17:54, Richard Verret a écrit :
> M. Messager, j’ai trouvé quelque chose pour vous. https://dms.umontreal.ca/~mat6150/Notes_de_cours/Pages21a41deMat6150.pdf
> Au § 4.2 il est question de variables complexes.
> "L’écoulement plan peut aussi s’étudier avec la variable complexe z = x + iy. Dans le plan complexe on définit alors un potentiel complexe w(x, y) par
> w(x,y) = φ(x,y)+iψ(x,y). (92)"
> Je vous remercie de m’avoir fait chercher, ça me permettra de réviser aussi.

Pitié, Verret, ne soyez pas ridicule...