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Base orthonormée directe

Lénadénine

By Lénadénine
in Outils Mathématiques

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Go to solution Solved by Jonathan,

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Jonathan AvaTATar

Jonathan

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par définition une base cylindrique est une base orthonormée directe car on choisit

uϕ(uθ dans le dessin) = uz ^ uρ

 

400px-Rep%C3%A9rage_cylindrique_-_perspe

(dans le QCM 3 θ est noté ϕ et est égal à π, ρ = 2, et le point A est dans le plan Oxy car Az = 0)

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