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Commit ec9dd0c7 authored by Claudio's avatar Claudio
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coeff complex

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...@@ -2546,7 +2546,7 @@ de nouveaux coefficients $c_n$, ...@@ -2546,7 +2546,7 @@ de nouveaux coefficients $c_n$,
c_n=\left\{\begin{array}{ll} c_n=\left\{\begin{array}{ll}
\frac{b_n+ia_n}{2}, & $\mbox{ si }$n<0\\ \frac{b_n+ia_n}{2}, & $\mbox{ si }$n<0\\
\frac{b_0}{2}, & $\mbox{ si }$n=0\\ \frac{b_0}{2}, & $\mbox{ si }$n=0\\
\frac{b_n-ia_n}{2}, & $\mbox{ si }$n>0 \frac{b_n-ia_n}{2i}, & $\mbox{ si }$n>0
\end{array}\right. \end{array}\right.
\end{equation} \end{equation}
Avec cette notation, on peut réécrire l'équation \eqref{eq_decomp_sincos} (exercice) comme Avec cette notation, on peut réécrire l'équation \eqref{eq_decomp_sincos} (exercice) comme
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