Update cheatsheet.fr.md

12.temporary_ins/04-math-tools/70.systems-of-differential-equations/40.parallel-1/cheatsheet.fr.md

@@ -70,7 +70,7 @@ $`M^0 = I_m`$ matrice identité de dimension $`m\times m`$.
 
 *$`\mathbf{M = \begin{pmatrix} \lambda_1 & 0 & 0 \\ 0 & \ddots & 0 \\ 0 & 0 & \lambda_m \\ \end{pmatrix}}`$*
 
-**$`\mathbf{e^{\,M}}`$** $`\displaystyle\; = \sum_{n=0}^{+\infty}\dfrac{M^n}{n!}`$   
+**$`\large{\mathbf{e^{\,M}}}`$** $`\displaystyle\; = \sum_{n=0}^{+\infty}\dfrac{M^n}{n!}`$   
 <br>
 $`\begin{align} \quad\;\; & =\;\dfrac{1}{0!}\;\begin{pmatrix} 1 & 0 & 0 \\ 0 & \ddots & 0 \\ 0 & 0 & 1 \\ \end{pmatrix} + 
 \dfrac{1}{1!}\;\begin{pmatrix}  \lambda_1 & 0 & 0 \\ 0 & \ddots & 0 \\ 0 & 0 & \lambda_m \\ \end{pmatrix} + \cdots \\
@@ -92,10 +92,10 @@ $`\begin{align} \quad\;\; & = \;\dfrac{1}{0!}\;\begin{pmatrix} 1 & 0 & 0 \\ 0 &
 \end{align}`$    
 <br>
 <br>
-$`\quad\;\; = \;\begin{pmatrix} \displaystyle\sum_{n=0}^{+\infty}\,\dfrac{\lambda_1^n}{n!} & 0 & 0 \\ 0 & \ddots & 0 \\ 0 & 0 & \displaystyle\sum_{n=0}^{+\infty}\,\dfrac{\lambda_m^n}(n!} \\ \end{pmatrix}`$   
+$`\quad\;\; = \;\begin{pmatrix} \displaystyle\sum_{n=0}^{+\infty}\,\dfrac{\lambda_1^n}{n!} & 0 & 0 \\ 0 & \ddots & 0 \\ 0 & 0 & \displaystyle\sum_{n=0}^{+\infty}\,\dfrac{\lambda_m^n}{n!} \\ \end{pmatrix}`$   
 <br>
 <br>
-**$`\boldsymbol{\mathbf{e^{\,M} = \;\begin{pmatrix} e^{\,\lambda_1} & 0 & 0 \\ 0 & \ddots & 0 \\ 0 & 0 & e^{\lambda_m} \\ \end{pmatrix}}}`$**   
+**$`\large{\mathbf{e^{\,M} = \;\begin{pmatrix} e^{\,\lambda_1} & 0 & 0 \\ 0 & \ddots & 0 \\ 0 & 0 & e^{\lambda_m} \\ \end{pmatrix}}}`$**   
 
 
 ##### $`M`$ est non diagonale, mais diagonalisable :