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orestis.malaspin
math_tech_info
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@@ -55,7 +55,7 @@ On peut la représenter comme sur la @fig:e_a et on constate qu'elle possède un
![
La fonction $E(a)=14a^2-4.2a+0.35$ pour $a\in[-1,1]$. On voit bien qu'elle possède un minimum proche de $a=0$.
](
figs/e_a.svg
)
{#fig:e_a width=70%}
En résolvant $E'(a)=0$, on obtient $a=4.2/2
4
=0.15$. On a que l'équation de la droite passant par $(0,0)$ et au plus proche de nos 4 points est
En résolvant $E'(a)=0$, on obtient $a=4.2/2
8
=0.15$. On a que l'équation de la droite passant par $(0,0)$ et au plus proche de nos 4 points est
$$
y(x)=0.15
\c
dot x.
$$
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